Home / 40,054.11-55,272.45-22,147.93

Finding the Fourth Proportional to 40,054.11, 55,272.45 and 22,147.93

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Solution

The fourth proportional to 40,054.11, 55,272.45 and 22,147.93 is: 30,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,054.11 : 55,272.45 = 22,147.93 : x
  2. Step 2: Convert to fraction form
    40,054.11/55,272.45 = 22,147.93/x
  3. Step 3: Cross multiply
    40,054.11x = 55,272.45 × 22,147.93
  4. Step 4: Simplify right side
    40,054.11x = 1,224,170,353.53
  5. Step 5: Solve for x
    x = 1,224,170,353.53/40,054.11
  6. Step 6: Final answer
    x = 30,562.91

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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.