Home / 51,077.92-70,488.18-28,110.39

Finding the Fourth Proportional to 51,077.92, 70,488.18 and 28,110.39

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Solution

The fourth proportional to 51,077.92, 70,488.18 and 28,110.39 is: 38,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,077.92 : 70,488.18 = 28,110.39 : x
  2. Step 2: Convert to fraction form
    51,077.92/70,488.18 = 28,110.39/x
  3. Step 3: Cross multiply
    51,077.92x = 70,488.18 × 28,110.39
  4. Step 4: Simplify right side
    51,077.92x = 1,981,449,737.20
  5. Step 5: Solve for x
    x = 1,981,449,737.20/51,077.92
  6. Step 6: Final answer
    x = 38,792.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.