Home / 55,007.28-82,510.92-19,946.94

Finding the Fourth Proportional to 55,007.28, 82,510.92 and 19,946.94

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Solution

The fourth proportional to 55,007.28, 82,510.92 and 19,946.94 is: 29,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.28 : 82,510.92 = 19,946.94 : x
  2. Step 2: Convert to fraction form
    55,007.28/82,510.92 = 19,946.94/x
  3. Step 3: Cross multiply
    55,007.28x = 82,510.92 × 19,946.94
  4. Step 4: Simplify right side
    55,007.28x = 1,645,840,370.58
  5. Step 5: Solve for x
    x = 1,645,840,370.58/55,007.28
  6. Step 6: Final answer
    x = 29,920.41

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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.