Home / 45,024.20-67,543.56-13,859.42

Finding the Fourth Proportional to 45,024.20, 67,543.56 and 13,859.42

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Solution

The fourth proportional to 45,024.20, 67,543.56 and 13,859.42 is: 20,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,024.20 : 67,543.56 = 13,859.42 : x
  2. Step 2: Convert to fraction form
    45,024.20/67,543.56 = 13,859.42/x
  3. Step 3: Cross multiply
    45,024.20x = 67,543.56 × 13,859.42
  4. Step 4: Simplify right side
    45,024.20x = 936,114,566.34
  5. Step 5: Solve for x
    x = 936,114,566.34/45,024.20
  6. Step 6: Final answer
    x = 20,791.36

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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.