Home / 40,428.16-60,659.88-14,151.76

Finding the Fourth Proportional to 40,428.16, 60,659.88 and 14,151.76

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Solution

The fourth proportional to 40,428.16, 60,659.88 and 14,151.76 is: 21,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.16 : 60,659.88 = 14,151.76 : x
  2. Step 2: Convert to fraction form
    40,428.16/60,659.88 = 14,151.76/x
  3. Step 3: Cross multiply
    40,428.16x = 60,659.88 × 14,151.76
  4. Step 4: Simplify right side
    40,428.16x = 858,444,063.39
  5. Step 5: Solve for x
    x = 858,444,063.39/40,428.16
  6. Step 6: Final answer
    x = 21,233.81

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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.