Home / 31,342.62-47,020.02-9,156.10

Finding the Fourth Proportional to 31,342.62, 47,020.02 and 9,156.10

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Solution

The fourth proportional to 31,342.62, 47,020.02 and 9,156.10 is: 13,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.62 : 47,020.02 = 9,156.10 : x
  2. Step 2: Convert to fraction form
    31,342.62/47,020.02 = 9,156.10/x
  3. Step 3: Cross multiply
    31,342.62x = 47,020.02 × 9,156.10
  4. Step 4: Simplify right side
    31,342.62x = 430,520,005.12
  5. Step 5: Solve for x
    x = 430,520,005.12/31,342.62
  6. Step 6: Final answer
    x = 13,735.93

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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.