Home / 40,451.52-60,638.88-14,139.12

Finding the Fourth Proportional to 40,451.52, 60,638.88 and 14,139.12

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Solution

The fourth proportional to 40,451.52, 60,638.88 and 14,139.12 is: 21,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451.52 : 60,638.88 = 14,139.12 : x
  2. Step 2: Convert to fraction form
    40,451.52/60,638.88 = 14,139.12/x
  3. Step 3: Cross multiply
    40,451.52x = 60,638.88 × 14,139.12
  4. Step 4: Simplify right side
    40,451.52x = 857,380,400.99
  5. Step 5: Solve for x
    x = 857,380,400.99/40,451.52
  6. Step 6: Final answer
    x = 21,195.26

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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.