Home / 45,042.96-67,462.92-21,686.88

Finding the Fourth Proportional to 45,042.96, 67,462.92 and 21,686.88

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Solution

The fourth proportional to 45,042.96, 67,462.92 and 21,686.88 is: 32,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,042.96 : 67,462.92 = 21,686.88 : x
  2. Step 2: Convert to fraction form
    45,042.96/67,462.92 = 21,686.88/x
  3. Step 3: Cross multiply
    45,042.96x = 67,462.92 × 21,686.88
  4. Step 4: Simplify right side
    45,042.96x = 1,463,060,250.49
  5. Step 5: Solve for x
    x = 1,463,060,250.49/45,042.96
  6. Step 6: Final answer
    x = 32,481.44

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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.