Home / 31,463.55-47,202.63-10,402.32

Finding the Fourth Proportional to 31,463.55, 47,202.63 and 10,402.32

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Solution

The fourth proportional to 31,463.55, 47,202.63 and 10,402.32 is: 15,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463.55 : 47,202.63 = 10,402.32 : x
  2. Step 2: Convert to fraction form
    31,463.55/47,202.63 = 10,402.32/x
  3. Step 3: Cross multiply
    31,463.55x = 47,202.63 × 10,402.32
  4. Step 4: Simplify right side
    31,463.55x = 491,016,862.10
  5. Step 5: Solve for x
    x = 491,016,862.10/31,463.55
  6. Step 6: Final answer
    x = 15,605.90

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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.