Home / 31,892.10-47,812.23-11,130.18

Finding the Fourth Proportional to 31,892.10, 47,812.23 and 11,130.18

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Solution

The fourth proportional to 31,892.10, 47,812.23 and 11,130.18 is: 16,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892.10 : 47,812.23 = 11,130.18 : x
  2. Step 2: Convert to fraction form
    31,892.10/47,812.23 = 11,130.18/x
  3. Step 3: Cross multiply
    31,892.10x = 47,812.23 × 11,130.18
  4. Step 4: Simplify right side
    31,892.10x = 532,158,726.10
  5. Step 5: Solve for x
    x = 532,158,726.10/31,892.10
  6. Step 6: Final answer
    x = 16,686.22

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