Home / 45,279.12-67,985.32-25,327.70

Finding the Fourth Proportional to 45,279.12, 67,985.32 and 25,327.70

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Solution

The fourth proportional to 45,279.12, 67,985.32 and 25,327.70 is: 38,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,279.12 : 67,985.32 = 25,327.70 : x
  2. Step 2: Convert to fraction form
    45,279.12/67,985.32 = 25,327.70/x
  3. Step 3: Cross multiply
    45,279.12x = 67,985.32 × 25,327.70
  4. Step 4: Simplify right side
    45,279.12x = 1,721,911,789.36
  5. Step 5: Solve for x
    x = 1,721,911,789.36/45,279.12
  6. Step 6: Final answer
    x = 38,028.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.