Home / 40,146.10-55,404.98-22,242.77

Finding the Fourth Proportional to 40,146.10, 55,404.98 and 22,242.77

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Solution

The fourth proportional to 40,146.10, 55,404.98 and 22,242.77 is: 30,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.10 : 55,404.98 = 22,242.77 : x
  2. Step 2: Convert to fraction form
    40,146.10/55,404.98 = 22,242.77/x
  3. Step 3: Cross multiply
    40,146.10x = 55,404.98 × 22,242.77
  4. Step 4: Simplify right side
    40,146.10x = 1,232,360,129.93
  5. Step 5: Solve for x
    x = 1,232,360,129.93/40,146.10
  6. Step 6: Final answer
    x = 30,696.88

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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.