Home / 57,358.63-79,132.82-42,287.13

Finding the Fourth Proportional to 57,358.63, 79,132.82 and 42,287.13

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Solution

The fourth proportional to 57,358.63, 79,132.82 and 42,287.13 is: 58,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358.63 : 79,132.82 = 42,287.13 : x
  2. Step 2: Convert to fraction form
    57,358.63/79,132.82 = 42,287.13/x
  3. Step 3: Cross multiply
    57,358.63x = 79,132.82 × 42,287.13
  4. Step 4: Simplify right side
    57,358.63x = 3,346,299,635.17
  5. Step 5: Solve for x
    x = 3,346,299,635.17/57,358.63
  6. Step 6: Final answer
    x = 58,339.95

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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.