Home / 55,402.29-76,455.18-30,251.79

Finding the Fourth Proportional to 55,402.29, 76,455.18 and 30,251.79

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Solution

The fourth proportional to 55,402.29, 76,455.18 and 30,251.79 is: 41,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.29 : 76,455.18 = 30,251.79 : x
  2. Step 2: Convert to fraction form
    55,402.29/76,455.18 = 30,251.79/x
  3. Step 3: Cross multiply
    55,402.29x = 76,455.18 × 30,251.79
  4. Step 4: Simplify right side
    55,402.29x = 2,312,906,049.77
  5. Step 5: Solve for x
    x = 2,312,906,049.77/55,402.29
  6. Step 6: Final answer
    x = 41,747.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.