Home / 39,988.92-55,184.53-22,083.85

Finding the Fourth Proportional to 39,988.92, 55,184.53 and 22,083.85

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Solution

The fourth proportional to 39,988.92, 55,184.53 and 22,083.85 is: 30,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.92 : 55,184.53 = 22,083.85 : x
  2. Step 2: Convert to fraction form
    39,988.92/55,184.53 = 22,083.85/x
  3. Step 3: Cross multiply
    39,988.92x = 55,184.53 × 22,083.85
  4. Step 4: Simplify right side
    39,988.92x = 1,218,686,938.02
  5. Step 5: Solve for x
    x = 1,218,686,938.02/39,988.92
  6. Step 6: Final answer
    x = 30,475.61

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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.