Home / 55,931.96-83,897.92-20,395.96

Finding the Fourth Proportional to 55,931.96, 83,897.92 and 20,395.96

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Solution

The fourth proportional to 55,931.96, 83,897.92 and 20,395.96 is: 30,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,931.96 : 83,897.92 = 20,395.96 : x
  2. Step 2: Convert to fraction form
    55,931.96/83,897.92 = 20,395.96/x
  3. Step 3: Cross multiply
    55,931.96x = 83,897.92 × 20,395.96
  4. Step 4: Simplify right side
    55,931.96x = 1,711,178,620.40
  5. Step 5: Solve for x
    x = 1,711,178,620.40/55,931.96
  6. Step 6: Final answer
    x = 30,593.93

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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.