Home / 45,031.80-67,549.06-15,449.21

Finding the Fourth Proportional to 45,031.80, 67,549.06 and 15,449.21

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Solution

The fourth proportional to 45,031.80, 67,549.06 and 15,449.21 is: 23,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,031.80 : 67,549.06 = 15,449.21 : x
  2. Step 2: Convert to fraction form
    45,031.80/67,549.06 = 15,449.21/x
  3. Step 3: Cross multiply
    45,031.80x = 67,549.06 × 15,449.21
  4. Step 4: Simplify right side
    45,031.80x = 1,043,579,613.24
  5. Step 5: Solve for x
    x = 1,043,579,613.24/45,031.80
  6. Step 6: Final answer
    x = 23,174.28

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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.