Home / 56,102.55-84,158.46-40,380.76

Finding the Fourth Proportional to 56,102.55, 84,158.46 and 40,380.76

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Solution

The fourth proportional to 56,102.55, 84,158.46 and 40,380.76 is: 60,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,102.55 : 84,158.46 = 40,380.76 : x
  2. Step 2: Convert to fraction form
    56,102.55/84,158.46 = 40,380.76/x
  3. Step 3: Cross multiply
    56,102.55x = 84,158.46 × 40,380.76
  4. Step 4: Simplify right side
    56,102.55x = 3,398,382,575.23
  5. Step 5: Solve for x
    x = 3,398,382,575.23/56,102.55
  6. Step 6: Final answer
    x = 60,574.48

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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.