Home / 67,440.90-101,181.61-31,929.29

Finding the Fourth Proportional to 67,440.90, 101,181.61 and 31,929.29

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Solution

The fourth proportional to 67,440.90, 101,181.61 and 31,929.29 is: 47,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,440.90 : 101,181.61 = 31,929.29 : x
  2. Step 2: Convert to fraction form
    67,440.90/101,181.61 = 31,929.29/x
  3. Step 3: Cross multiply
    67,440.90x = 101,181.61 × 31,929.29
  4. Step 4: Simplify right side
    67,440.90x = 3,230,656,702.19
  5. Step 5: Solve for x
    x = 3,230,656,702.19/67,440.90
  6. Step 6: Final answer
    x = 47,903.52

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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.