Home / 45,542.40-62,887.68-28,805.12

Finding the Fourth Proportional to 45,542.40, 62,887.68 and 28,805.12

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Solution

The fourth proportional to 45,542.40, 62,887.68 and 28,805.12 is: 39,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,542.40 : 62,887.68 = 28,805.12 : x
  2. Step 2: Convert to fraction form
    45,542.40/62,887.68 = 28,805.12/x
  3. Step 3: Cross multiply
    45,542.40x = 62,887.68 × 28,805.12
  4. Step 4: Simplify right side
    45,542.40x = 1,811,487,168.92
  5. Step 5: Solve for x
    x = 1,811,487,168.92/45,542.40
  6. Step 6: Final answer
    x = 39,775.84

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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.