Home / 30,653.55-42,303.15-17,224.76

Finding the Fourth Proportional to 30,653.55, 42,303.15 and 17,224.76

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Solution

The fourth proportional to 30,653.55, 42,303.15 and 17,224.76 is: 23,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.55 : 42,303.15 = 17,224.76 : x
  2. Step 2: Convert to fraction form
    30,653.55/42,303.15 = 17,224.76/x
  3. Step 3: Cross multiply
    30,653.55x = 42,303.15 × 17,224.76
  4. Step 4: Simplify right side
    30,653.55x = 728,661,711.75
  5. Step 5: Solve for x
    x = 728,661,711.75/30,653.55
  6. Step 6: Final answer
    x = 23,770.88

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Double scale
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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.