Home / 39,522.81-54,543.23-22,761.21

Finding the Fourth Proportional to 39,522.81, 54,543.23 and 22,761.21

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Solution

The fourth proportional to 39,522.81, 54,543.23 and 22,761.21 is: 31,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,522.81 : 54,543.23 = 22,761.21 : x
  2. Step 2: Convert to fraction form
    39,522.81/54,543.23 = 22,761.21/x
  3. Step 3: Cross multiply
    39,522.81x = 54,543.23 × 22,761.21
  4. Step 4: Simplify right side
    39,522.81x = 1,241,469,798.30
  5. Step 5: Solve for x
    x = 1,241,469,798.30/39,522.81
  6. Step 6: Final answer
    x = 31,411.48

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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.