Home / 39,998.89-60,034.65-21,294.55

Finding the Fourth Proportional to 39,998.89, 60,034.65 and 21,294.55

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Solution

The fourth proportional to 39,998.89, 60,034.65 and 21,294.55 is: 31,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.89 : 60,034.65 = 21,294.55 : x
  2. Step 2: Convert to fraction form
    39,998.89/60,034.65 = 21,294.55/x
  3. Step 3: Cross multiply
    39,998.89x = 60,034.65 × 21,294.55
  4. Step 4: Simplify right side
    39,998.89x = 1,278,410,856.16
  5. Step 5: Solve for x
    x = 1,278,410,856.16/39,998.89
  6. Step 6: Final answer
    x = 31,961.16

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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.