Home / 51,397.24-77,096.68-18,117.72

Finding the Fourth Proportional to 51,397.24, 77,096.68 and 18,117.72

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Solution

The fourth proportional to 51,397.24, 77,096.68 and 18,117.72 is: 27,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,397.24 : 77,096.68 = 18,117.72 : x
  2. Step 2: Convert to fraction form
    51,397.24/77,096.68 = 18,117.72/x
  3. Step 3: Cross multiply
    51,397.24x = 77,096.68 × 18,117.72
  4. Step 4: Simplify right side
    51,397.24x = 1,396,816,061.17
  5. Step 5: Solve for x
    x = 1,396,816,061.17/51,397.24
  6. Step 6: Final answer
    x = 27,176.87

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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.