Home / 47,381.28-71,141.85-31,684.20

Finding the Fourth Proportional to 47,381.28, 71,141.85 and 31,684.20

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Solution

The fourth proportional to 47,381.28, 71,141.85 and 31,684.20 is: 47,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.28 : 71,141.85 = 31,684.20 : x
  2. Step 2: Convert to fraction form
    47,381.28/71,141.85 = 31,684.20/x
  3. Step 3: Cross multiply
    47,381.28x = 71,141.85 × 31,684.20
  4. Step 4: Simplify right side
    47,381.28x = 2,254,072,603.77
  5. Step 5: Solve for x
    x = 2,254,072,603.77/47,381.28
  6. Step 6: Final answer
    x = 47,573.06

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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.