Home / 56,724.20-85,086.30-25,620.20

Finding the Fourth Proportional to 56,724.20, 85,086.30 and 25,620.20

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Solution

The fourth proportional to 56,724.20, 85,086.30 and 25,620.20 is: 38,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,724.20 : 85,086.30 = 25,620.20 : x
  2. Step 2: Convert to fraction form
    56,724.20/85,086.30 = 25,620.20/x
  3. Step 3: Cross multiply
    56,724.20x = 85,086.30 × 25,620.20
  4. Step 4: Simplify right side
    56,724.20x = 2,179,928,023.26
  5. Step 5: Solve for x
    x = 2,179,928,023.26/56,724.20
  6. Step 6: Final answer
    x = 38,430.30

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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.