Home / 39,772.98-59,655.60-13,474.62

Finding the Fourth Proportional to 39,772.98, 59,655.60 and 13,474.62

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Solution

The fourth proportional to 39,772.98, 59,655.60 and 13,474.62 is: 20,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,772.98 : 59,655.60 = 13,474.62 : x
  2. Step 2: Convert to fraction form
    39,772.98/59,655.60 = 13,474.62/x
  3. Step 3: Cross multiply
    39,772.98x = 59,655.60 × 13,474.62
  4. Step 4: Simplify right side
    39,772.98x = 803,836,540.87
  5. Step 5: Solve for x
    x = 803,836,540.87/39,772.98
  6. Step 6: Final answer
    x = 20,210.62

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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.