Home / 56,780.12-85,170.18-25,624.28

Finding the Fourth Proportional to 56,780.12, 85,170.18 and 25,624.28

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Solution

The fourth proportional to 56,780.12, 85,170.18 and 25,624.28 is: 38,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,780.12 : 85,170.18 = 25,624.28 : x
  2. Step 2: Convert to fraction form
    56,780.12/85,170.18 = 25,624.28/x
  3. Step 3: Cross multiply
    56,780.12x = 85,170.18 × 25,624.28
  4. Step 4: Simplify right side
    56,780.12x = 2,182,424,539.97
  5. Step 5: Solve for x
    x = 2,182,424,539.97/56,780.12
  6. Step 6: Final answer
    x = 38,436.42

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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.