Home / 44,472.05-66,729.99-20,781.23

Finding the Fourth Proportional to 44,472.05, 66,729.99 and 20,781.23

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Solution

The fourth proportional to 44,472.05, 66,729.99 and 20,781.23 is: 31,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,472.05 : 66,729.99 = 20,781.23 : x
  2. Step 2: Convert to fraction form
    44,472.05/66,729.99 = 20,781.23/x
  3. Step 3: Cross multiply
    44,472.05x = 66,729.99 × 20,781.23
  4. Step 4: Simplify right side
    44,472.05x = 1,386,731,577.40
  5. Step 5: Solve for x
    x = 1,386,731,577.40/44,472.05
  6. Step 6: Final answer
    x = 31,182.09

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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.