Home / 40,064.28-55,283.82-22,156.80

Finding the Fourth Proportional to 40,064.28, 55,283.82 and 22,156.80

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Solution

The fourth proportional to 40,064.28, 55,283.82 and 22,156.80 is: 30,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.28 : 55,283.82 = 22,156.80 : x
  2. Step 2: Convert to fraction form
    40,064.28/55,283.82 = 22,156.80/x
  3. Step 3: Cross multiply
    40,064.28x = 55,283.82 × 22,156.80
  4. Step 4: Simplify right side
    40,064.28x = 1,224,912,542.98
  5. Step 5: Solve for x
    x = 1,224,912,542.98/40,064.28
  6. Step 6: Final answer
    x = 30,573.68

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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.