Home / 52,385.03-72,291.29-28,511.65

Finding the Fourth Proportional to 52,385.03, 72,291.29 and 28,511.65

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Solution

The fourth proportional to 52,385.03, 72,291.29 and 28,511.65 is: 39,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,385.03 : 72,291.29 = 28,511.65 : x
  2. Step 2: Convert to fraction form
    52,385.03/72,291.29 = 28,511.65/x
  3. Step 3: Cross multiply
    52,385.03x = 72,291.29 × 28,511.65
  4. Step 4: Simplify right side
    52,385.03x = 2,061,143,499.70
  5. Step 5: Solve for x
    x = 2,061,143,499.70/52,385.03
  6. Step 6: Final answer
    x = 39,346.04

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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.