Home / 52,648.18-72,654.49-28,774.85

Finding the Fourth Proportional to 52,648.18, 72,654.49 and 28,774.85

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Solution

The fourth proportional to 52,648.18, 72,654.49 and 28,774.85 is: 39,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.18 : 72,654.49 = 28,774.85 : x
  2. Step 2: Convert to fraction form
    52,648.18/72,654.49 = 28,774.85/x
  3. Step 3: Cross multiply
    52,648.18x = 72,654.49 × 28,774.85
  4. Step 4: Simplify right side
    52,648.18x = 2,090,621,688.30
  5. Step 5: Solve for x
    x = 2,090,621,688.30/52,648.18
  6. Step 6: Final answer
    x = 39,709.29

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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.