Home / 42,285.75-58,354.34-25,518.75

Finding the Fourth Proportional to 42,285.75, 58,354.34 and 25,518.75

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Solution

The fourth proportional to 42,285.75, 58,354.34 and 25,518.75 is: 35,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.75 : 58,354.34 = 25,518.75 : x
  2. Step 2: Convert to fraction form
    42,285.75/58,354.34 = 25,518.75/x
  3. Step 3: Cross multiply
    42,285.75x = 58,354.34 × 25,518.75
  4. Step 4: Simplify right side
    42,285.75x = 1,489,129,686.28
  5. Step 5: Solve for x
    x = 1,489,129,686.28/42,285.75
  6. Step 6: Final answer
    x = 35,215.88

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Double scale
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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.