Home / 52,293.80-78,421.77-28,618.85

Finding the Fourth Proportional to 52,293.80, 78,421.77 and 28,618.85

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Solution

The fourth proportional to 52,293.80, 78,421.77 and 28,618.85 is: 42,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.80 : 78,421.77 = 28,618.85 : x
  2. Step 2: Convert to fraction form
    52,293.80/78,421.77 = 28,618.85/x
  3. Step 3: Cross multiply
    52,293.80x = 78,421.77 × 28,618.85
  4. Step 4: Simplify right side
    52,293.80x = 2,244,341,068.42
  5. Step 5: Solve for x
    x = 2,244,341,068.42/52,293.80
  6. Step 6: Final answer
    x = 42,917.92

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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.