Home / 45,031.68-67,548.89-15,449.11

Finding the Fourth Proportional to 45,031.68, 67,548.89 and 15,449.11

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Solution

The fourth proportional to 45,031.68, 67,548.89 and 15,449.11 is: 23,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.68 : 67,548.89 = 15,449.11 : x
  2. Step 2: Convert to fraction form
    45,031.68/67,548.89 = 15,449.11/x
  3. Step 3: Cross multiply
    45,031.68x = 67,548.89 × 15,449.11
  4. Step 4: Simplify right side
    45,031.68x = 1,043,570,101.74
  5. Step 5: Solve for x
    x = 1,043,570,101.74/45,031.68
  6. Step 6: Final answer
    x = 23,174.13

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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.