Home / 40,342.38-55,665.69-22,435.02

Finding the Fourth Proportional to 40,342.38, 55,665.69 and 22,435.02

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Solution

The fourth proportional to 40,342.38, 55,665.69 and 22,435.02 is: 30,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,342.38 : 55,665.69 = 22,435.02 : x
  2. Step 2: Convert to fraction form
    40,342.38/55,665.69 = 22,435.02/x
  3. Step 3: Cross multiply
    40,342.38x = 55,665.69 × 22,435.02
  4. Step 4: Simplify right side
    40,342.38x = 1,248,860,868.46
  5. Step 5: Solve for x
    x = 1,248,860,868.46/40,342.38
  6. Step 6: Final answer
    x = 30,956.55

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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.