Home / 40,233.60-60,350.40-13,939.20

Finding the Fourth Proportional to 40,233.60, 60,350.40 and 13,939.20

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Solution

The fourth proportional to 40,233.60, 60,350.40 and 13,939.20 is: 20,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,233.60 : 60,350.40 = 13,939.20 : x
  2. Step 2: Convert to fraction form
    40,233.60/60,350.40 = 13,939.20/x
  3. Step 3: Cross multiply
    40,233.60x = 60,350.40 × 13,939.20
  4. Step 4: Simplify right side
    40,233.60x = 841,236,295.68
  5. Step 5: Solve for x
    x = 841,236,295.68/40,233.60
  6. Step 6: Final answer
    x = 20,908.80

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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.