Home / 40,146.98-55,398.35-22,237.55

Finding the Fourth Proportional to 40,146.98, 55,398.35 and 22,237.55

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Solution

The fourth proportional to 40,146.98, 55,398.35 and 22,237.55 is: 30,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.98 : 55,398.35 = 22,237.55 : x
  2. Step 2: Convert to fraction form
    40,146.98/55,398.35 = 22,237.55/x
  3. Step 3: Cross multiply
    40,146.98x = 55,398.35 × 22,237.55
  4. Step 4: Simplify right side
    40,146.98x = 1,231,923,356.64
  5. Step 5: Solve for x
    x = 1,231,923,356.64/40,146.98
  6. Step 6: Final answer
    x = 30,685.33

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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.