Home / 39,997.89-60,033.15-21,293.55

Finding the Fourth Proportional to 39,997.89, 60,033.15 and 21,293.55

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Solution

The fourth proportional to 39,997.89, 60,033.15 and 21,293.55 is: 31,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,997.89 : 60,033.15 = 21,293.55 : x
  2. Step 2: Convert to fraction form
    39,997.89/60,033.15 = 21,293.55/x
  3. Step 3: Cross multiply
    39,997.89x = 60,033.15 × 21,293.55
  4. Step 4: Simplify right side
    39,997.89x = 1,278,318,881.18
  5. Step 5: Solve for x
    x = 1,278,318,881.18/39,997.89
  6. Step 6: Final answer
    x = 31,959.66

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1.5x scale

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.