Home / 42,129.64-58,131.30-27,217

Finding the Fourth Proportional to 42,129.64, 58,131.30 and 27,217

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Solution

The fourth proportional to 42,129.64, 58,131.30 and 27,217 is: 37,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,129.64 : 58,131.30 = 27,217 : x
  2. Step 2: Convert to fraction form
    42,129.64/58,131.30 = 27,217/x
  3. Step 3: Cross multiply
    42,129.64x = 58,131.30 × 27,217
  4. Step 4: Simplify right side
    42,129.64x = 1,582,159,592.10
  5. Step 5: Solve for x
    x = 1,582,159,592.10/42,129.64
  6. Step 6: Final answer
    x = 37,554.55

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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.