Home / 40,221.93-60,335.97-10,638.99

Finding the Fourth Proportional to 40,221.93, 60,335.97 and 10,638.99

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Solution

The fourth proportional to 40,221.93, 60,335.97 and 10,638.99 is: 15,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.93 : 60,335.97 = 10,638.99 : x
  2. Step 2: Convert to fraction form
    40,221.93/60,335.97 = 10,638.99/x
  3. Step 3: Cross multiply
    40,221.93x = 60,335.97 × 10,638.99
  4. Step 4: Simplify right side
    40,221.93x = 641,913,781.47
  5. Step 5: Solve for x
    x = 641,913,781.47/40,221.93
  6. Step 6: Final answer
    x = 15,959.30

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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.