Home / 30,219.74-45,311.27-11,501.04

Finding the Fourth Proportional to 30,219.74, 45,311.27 and 11,501.04

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Solution

The fourth proportional to 30,219.74, 45,311.27 and 11,501.04 is: 17,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.74 : 45,311.27 = 11,501.04 : x
  2. Step 2: Convert to fraction form
    30,219.74/45,311.27 = 11,501.04/x
  3. Step 3: Cross multiply
    30,219.74x = 45,311.27 × 11,501.04
  4. Step 4: Simplify right side
    30,219.74x = 521,126,671.22
  5. Step 5: Solve for x
    x = 521,126,671.22/30,219.74
  6. Step 6: Final answer
    x = 17,244.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.