Home / 55,988.44-83,923.14-20,912.92

Finding the Fourth Proportional to 55,988.44, 83,923.14 and 20,912.92

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Solution

The fourth proportional to 55,988.44, 83,923.14 and 20,912.92 is: 31,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.44 : 83,923.14 = 20,912.92 : x
  2. Step 2: Convert to fraction form
    55,988.44/83,923.14 = 20,912.92/x
  3. Step 3: Cross multiply
    55,988.44x = 83,923.14 × 20,912.92
  4. Step 4: Simplify right side
    55,988.44x = 1,755,077,912.97
  5. Step 5: Solve for x
    x = 1,755,077,912.97/55,988.44
  6. Step 6: Final answer
    x = 31,347.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.