Home / 40,277.62-55,584.52-22,372.92

Finding the Fourth Proportional to 40,277.62, 55,584.52 and 22,372.92

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Solution

The fourth proportional to 40,277.62, 55,584.52 and 22,372.92 is: 30,875.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.62 : 55,584.52 = 22,372.92 : x
  2. Step 2: Convert to fraction form
    40,277.62/55,584.52 = 22,372.92/x
  3. Step 3: Cross multiply
    40,277.62x = 55,584.52 × 22,372.92
  4. Step 4: Simplify right side
    40,277.62x = 1,243,588,019.20
  5. Step 5: Solve for x
    x = 1,243,588,019.20/40,277.62
  6. Step 6: Final answer
    x = 30,875.41

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Double scale
Find fourth proportional to 40,278.62, 55,585.90 and 22,373.92
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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.