Home / 31,432.90-43,375.76-17,283.02

Finding the Fourth Proportional to 31,432.90, 43,375.76 and 17,283.02

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Solution

The fourth proportional to 31,432.90, 43,375.76 and 17,283.02 is: 23,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.90 : 43,375.76 = 17,283.02 : x
  2. Step 2: Convert to fraction form
    31,432.90/43,375.76 = 17,283.02/x
  3. Step 3: Cross multiply
    31,432.90x = 43,375.76 × 17,283.02
  4. Step 4: Simplify right side
    31,432.90x = 749,664,127.60
  5. Step 5: Solve for x
    x = 749,664,127.60/31,432.90
  6. Step 6: Final answer
    x = 23,849.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.