Home / 52,793.18-72,854.57-28,919.85

Finding the Fourth Proportional to 52,793.18, 72,854.57 and 28,919.85

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Solution

The fourth proportional to 52,793.18, 72,854.57 and 28,919.85 is: 39,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,793.18 : 72,854.57 = 28,919.85 : x
  2. Step 2: Convert to fraction form
    52,793.18/72,854.57 = 28,919.85/x
  3. Step 3: Cross multiply
    52,793.18x = 72,854.57 × 28,919.85
  4. Step 4: Simplify right side
    52,793.18x = 2,106,943,091.62
  5. Step 5: Solve for x
    x = 2,106,943,091.62/52,793.18
  6. Step 6: Final answer
    x = 39,909.38

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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.