Home / 40,309.80-55,621.30-22,404.76

Finding the Fourth Proportional to 40,309.80, 55,621.30 and 22,404.76

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Solution

The fourth proportional to 40,309.80, 55,621.30 and 22,404.76 is: 30,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309.80 : 55,621.30 = 22,404.76 : x
  2. Step 2: Convert to fraction form
    40,309.80/55,621.30 = 22,404.76/x
  3. Step 3: Cross multiply
    40,309.80x = 55,621.30 × 22,404.76
  4. Step 4: Simplify right side
    40,309.80x = 1,246,181,877.39
  5. Step 5: Solve for x
    x = 1,246,181,877.39/40,309.80
  6. Step 6: Final answer
    x = 30,915.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.