Home / 24,149.20-36,126.60-20,898.40

Finding the Fourth Proportional to 24,149.20, 36,126.60 and 20,898.40

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Solution

The fourth proportional to 24,149.20, 36,126.60 and 20,898.40 is: 31,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,149.20 : 36,126.60 = 20,898.40 : x
  2. Step 2: Convert to fraction form
    24,149.20/36,126.60 = 20,898.40/x
  3. Step 3: Cross multiply
    24,149.20x = 36,126.60 × 20,898.40
  4. Step 4: Simplify right side
    24,149.20x = 754,988,137.44
  5. Step 5: Solve for x
    x = 754,988,137.44/24,149.20
  6. Step 6: Final answer
    x = 31,263.48

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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.