Home / 42,127.89-58,109.78-32,034.20

Finding the Fourth Proportional to 42,127.89, 58,109.78 and 32,034.20

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Solution

The fourth proportional to 42,127.89, 58,109.78 and 32,034.20 is: 44,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127.89 : 58,109.78 = 32,034.20 : x
  2. Step 2: Convert to fraction form
    42,127.89/58,109.78 = 32,034.20/x
  3. Step 3: Cross multiply
    42,127.89x = 58,109.78 × 32,034.20
  4. Step 4: Simplify right side
    42,127.89x = 1,861,500,314.48
  5. Step 5: Solve for x
    x = 1,861,500,314.48/42,127.89
  6. Step 6: Final answer
    x = 44,186.89

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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.