Home / 42,018.75-57,985.88-25,251.75

Finding the Fourth Proportional to 42,018.75, 57,985.88 and 25,251.75

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Solution

The fourth proportional to 42,018.75, 57,985.88 and 25,251.75 is: 34,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,018.75 : 57,985.88 = 25,251.75 : x
  2. Step 2: Convert to fraction form
    42,018.75/57,985.88 = 25,251.75/x
  3. Step 3: Cross multiply
    42,018.75x = 57,985.88 × 25,251.75
  4. Step 4: Simplify right side
    42,018.75x = 1,464,244,819.03
  5. Step 5: Solve for x
    x = 1,464,244,819.03/42,018.75
  6. Step 6: Final answer
    x = 34,847.42

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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.