Home / 40,612.22-60,908.58-13,955.12

Finding the Fourth Proportional to 40,612.22, 60,908.58 and 13,955.12

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Solution

The fourth proportional to 40,612.22, 60,908.58 and 13,955.12 is: 20,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,612.22 : 60,908.58 = 13,955.12 : x
  2. Step 2: Convert to fraction form
    40,612.22/60,908.58 = 13,955.12/x
  3. Step 3: Cross multiply
    40,612.22x = 60,908.58 × 13,955.12
  4. Step 4: Simplify right side
    40,612.22x = 849,986,542.93
  5. Step 5: Solve for x
    x = 849,986,542.93/40,612.22
  6. Step 6: Final answer
    x = 20,929.33

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Similar ratio
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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.