Home / 42,257.04-58,310.64-25,257.90

Finding the Fourth Proportional to 42,257.04, 58,310.64 and 25,257.90

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Solution

The fourth proportional to 42,257.04, 58,310.64 and 25,257.90 is: 34,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,257.04 : 58,310.64 = 25,257.90 : x
  2. Step 2: Convert to fraction form
    42,257.04/58,310.64 = 25,257.90/x
  3. Step 3: Cross multiply
    42,257.04x = 58,310.64 × 25,257.90
  4. Step 4: Simplify right side
    42,257.04x = 1,472,804,314.06
  5. Step 5: Solve for x
    x = 1,472,804,314.06/42,257.04
  6. Step 6: Final answer
    x = 34,853.47

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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.