Home / 30,011.96-41,419.14-17,440.76

Finding the Fourth Proportional to 30,011.96, 41,419.14 and 17,440.76

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Solution

The fourth proportional to 30,011.96, 41,419.14 and 17,440.76 is: 24,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.96 : 41,419.14 = 17,440.76 : x
  2. Step 2: Convert to fraction form
    30,011.96/41,419.14 = 17,440.76/x
  3. Step 3: Cross multiply
    30,011.96x = 41,419.14 × 17,440.76
  4. Step 4: Simplify right side
    30,011.96x = 722,381,280.15
  5. Step 5: Solve for x
    x = 722,381,280.15/30,011.96
  6. Step 6: Final answer
    x = 24,069.78

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Half scale
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Double scale
Find fourth proportional to 30,012.96, 41,420.52 and 17,441.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.