Home / 40,272.50-55,576.78-22,369.16

Finding the Fourth Proportional to 40,272.50, 55,576.78 and 22,369.16

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Solution

The fourth proportional to 40,272.50, 55,576.78 and 22,369.16 is: 30,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.50 : 55,576.78 = 22,369.16 : x
  2. Step 2: Convert to fraction form
    40,272.50/55,576.78 = 22,369.16/x
  3. Step 3: Cross multiply
    40,272.50x = 55,576.78 × 22,369.16
  4. Step 4: Simplify right side
    40,272.50x = 1,243,205,884.10
  5. Step 5: Solve for x
    x = 1,243,205,884.10/40,272.50
  6. Step 6: Final answer
    x = 30,869.85

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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.