Home / 51,078.17-70,488.53-28,110.64

Finding the Fourth Proportional to 51,078.17, 70,488.53 and 28,110.64

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Solution

The fourth proportional to 51,078.17, 70,488.53 and 28,110.64 is: 38,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,078.17 : 70,488.53 = 28,110.64 : x
  2. Step 2: Convert to fraction form
    51,078.17/70,488.53 = 28,110.64/x
  3. Step 3: Cross multiply
    51,078.17x = 70,488.53 × 28,110.64
  4. Step 4: Simplify right side
    51,078.17x = 1,981,477,374.18
  5. Step 5: Solve for x
    x = 1,981,477,374.18/51,078.17
  6. Step 6: Final answer
    x = 38,793.04

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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.