Home / 55,923.38-83,859.15-20,853.62

Finding the Fourth Proportional to 55,923.38, 83,859.15 and 20,853.62

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Solution

The fourth proportional to 55,923.38, 83,859.15 and 20,853.62 is: 31,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,923.38 : 83,859.15 = 20,853.62 : x
  2. Step 2: Convert to fraction form
    55,923.38/83,859.15 = 20,853.62/x
  3. Step 3: Cross multiply
    55,923.38x = 83,859.15 × 20,853.62
  4. Step 4: Simplify right side
    55,923.38x = 1,748,766,428.33
  5. Step 5: Solve for x
    x = 1,748,766,428.33/55,923.38
  6. Step 6: Final answer
    x = 31,270.76

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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.