Home / 40,318.52-60,484.06-20,586.40

Finding the Fourth Proportional to 40,318.52, 60,484.06 and 20,586.40

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Solution

The fourth proportional to 40,318.52, 60,484.06 and 20,586.40 is: 30,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318.52 : 60,484.06 = 20,586.40 : x
  2. Step 2: Convert to fraction form
    40,318.52/60,484.06 = 20,586.40/x
  3. Step 3: Cross multiply
    40,318.52x = 60,484.06 × 20,586.40
  4. Step 4: Simplify right side
    40,318.52x = 1,245,149,052.78
  5. Step 5: Solve for x
    x = 1,245,149,052.78/40,318.52
  6. Step 6: Final answer
    x = 30,882.81

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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.