Home / 55,549.62-83,332.33-20,486.75

Finding the Fourth Proportional to 55,549.62, 83,332.33 and 20,486.75

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Solution

The fourth proportional to 55,549.62, 83,332.33 and 20,486.75 is: 30,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,549.62 : 83,332.33 = 20,486.75 : x
  2. Step 2: Convert to fraction form
    55,549.62/83,332.33 = 20,486.75/x
  3. Step 3: Cross multiply
    55,549.62x = 83,332.33 × 20,486.75
  4. Step 4: Simplify right side
    55,549.62x = 1,707,208,143.75
  5. Step 5: Solve for x
    x = 1,707,208,143.75/55,549.62
  6. Step 6: Final answer
    x = 30,733.03

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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.