Home / 41,538.80-62,308.20-30,385.10

Finding the Fourth Proportional to 41,538.80, 62,308.20 and 30,385.10

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Solution

The fourth proportional to 41,538.80, 62,308.20 and 30,385.10 is: 45,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,538.80 : 62,308.20 = 30,385.10 : x
  2. Step 2: Convert to fraction form
    41,538.80/62,308.20 = 30,385.10/x
  3. Step 3: Cross multiply
    41,538.80x = 62,308.20 × 30,385.10
  4. Step 4: Simplify right side
    41,538.80x = 1,893,240,887.82
  5. Step 5: Solve for x
    x = 1,893,240,887.82/41,538.80
  6. Step 6: Final answer
    x = 45,577.65

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1.5x scale

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.