Home / 55,402.39-76,455.17-30,251.89

Finding the Fourth Proportional to 55,402.39, 76,455.17 and 30,251.89

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Solution

The fourth proportional to 55,402.39, 76,455.17 and 30,251.89 is: 41,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.39 : 76,455.17 = 30,251.89 : x
  2. Step 2: Convert to fraction form
    55,402.39/76,455.17 = 30,251.89/x
  3. Step 3: Cross multiply
    55,402.39x = 76,455.17 × 30,251.89
  4. Step 4: Simplify right side
    55,402.39x = 2,312,913,010.50
  5. Step 5: Solve for x
    x = 2,312,913,010.50/55,402.39
  6. Step 6: Final answer
    x = 41,747.54

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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.