Home / 39,778.87-54,881.18-24,666.09

Finding the Fourth Proportional to 39,778.87, 54,881.18 and 24,666.09

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Solution

The fourth proportional to 39,778.87, 54,881.18 and 24,666.09 is: 34,030.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.87 : 54,881.18 = 24,666.09 : x
  2. Step 2: Convert to fraction form
    39,778.87/54,881.18 = 24,666.09/x
  3. Step 3: Cross multiply
    39,778.87x = 54,881.18 × 24,666.09
  4. Step 4: Simplify right side
    39,778.87x = 1,353,704,001.86
  5. Step 5: Solve for x
    x = 1,353,704,001.86/39,778.87
  6. Step 6: Final answer
    x = 34,030.73

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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.