Home / 42,023.13-57,991.91-25,256.13

Finding the Fourth Proportional to 42,023.13, 57,991.91 and 25,256.13

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Solution

The fourth proportional to 42,023.13, 57,991.91 and 25,256.13 is: 34,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.13 : 57,991.91 = 25,256.13 : x
  2. Step 2: Convert to fraction form
    42,023.13/57,991.91 = 25,256.13/x
  3. Step 3: Cross multiply
    42,023.13x = 57,991.91 × 25,256.13
  4. Step 4: Simplify right side
    42,023.13x = 1,464,651,217.91
  5. Step 5: Solve for x
    x = 1,464,651,217.91/42,023.13
  6. Step 6: Final answer
    x = 34,853.45

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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.