Home / 67,428.05-101,142.09-23,055.21

Finding the Fourth Proportional to 67,428.05, 101,142.09 and 23,055.21

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Solution

The fourth proportional to 67,428.05, 101,142.09 and 23,055.21 is: 34,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428.05 : 101,142.09 = 23,055.21 : x
  2. Step 2: Convert to fraction form
    67,428.05/101,142.09 = 23,055.21/x
  3. Step 3: Cross multiply
    67,428.05x = 101,142.09 × 23,055.21
  4. Step 4: Simplify right side
    67,428.05x = 2,331,852,124.79
  5. Step 5: Solve for x
    x = 2,331,852,124.79/67,428.05
  6. Step 6: Final answer
    x = 34,582.82

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Similar ratio
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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.