Home / 47,720.81-71,565.32-19,250.41

Finding the Fourth Proportional to 47,720.81, 71,565.32 and 19,250.41

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Solution

The fourth proportional to 47,720.81, 71,565.32 and 19,250.41 is: 28,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.81 : 71,565.32 = 19,250.41 : x
  2. Step 2: Convert to fraction form
    47,720.81/71,565.32 = 19,250.41/x
  3. Step 3: Cross multiply
    47,720.81x = 71,565.32 × 19,250.41
  4. Step 4: Simplify right side
    47,720.81x = 1,377,661,751.78
  5. Step 5: Solve for x
    x = 1,377,661,751.78/47,720.81
  6. Step 6: Final answer
    x = 28,869.20

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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.