Home / 56,775.12-85,162.68-25,619.28

Finding the Fourth Proportional to 56,775.12, 85,162.68 and 25,619.28

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Solution

The fourth proportional to 56,775.12, 85,162.68 and 25,619.28 is: 38,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,775.12 : 85,162.68 = 25,619.28 : x
  2. Step 2: Convert to fraction form
    56,775.12/85,162.68 = 25,619.28/x
  3. Step 3: Cross multiply
    56,775.12x = 85,162.68 × 25,619.28
  4. Step 4: Simplify right side
    56,775.12x = 2,181,806,544.47
  5. Step 5: Solve for x
    x = 2,181,806,544.47/56,775.12
  6. Step 6: Final answer
    x = 38,428.92

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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.