Home / 55,918.92-83,884.20-17,958.60

Finding the Fourth Proportional to 55,918.92, 83,884.20 and 17,958.60

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Solution

The fourth proportional to 55,918.92, 83,884.20 and 17,958.60 is: 26,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,918.92 : 83,884.20 = 17,958.60 : x
  2. Step 2: Convert to fraction form
    55,918.92/83,884.20 = 17,958.60/x
  3. Step 3: Cross multiply
    55,918.92x = 83,884.20 × 17,958.60
  4. Step 4: Simplify right side
    55,918.92x = 1,506,442,861.46
  5. Step 5: Solve for x
    x = 1,506,442,861.46/55,918.92
  6. Step 6: Final answer
    x = 26,939.77

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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.