Home / 42,418.10-58,538.57-25,425.11

Finding the Fourth Proportional to 42,418.10, 58,538.57 and 25,425.11

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Solution

The fourth proportional to 42,418.10, 58,538.57 and 25,425.11 is: 35,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,418.10 : 58,538.57 = 25,425.11 : x
  2. Step 2: Convert to fraction form
    42,418.10/58,538.57 = 25,425.11/x
  3. Step 3: Cross multiply
    42,418.10x = 58,538.57 × 25,425.11
  4. Step 4: Simplify right side
    42,418.10x = 1,488,349,600.71
  5. Step 5: Solve for x
    x = 1,488,349,600.71/42,418.10
  6. Step 6: Final answer
    x = 35,087.60

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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.