Home / 39,338.62-54,307.40-26,658.81

Finding the Fourth Proportional to 39,338.62, 54,307.40 and 26,658.81

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Solution

The fourth proportional to 39,338.62, 54,307.40 and 26,658.81 is: 36,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,338.62 : 54,307.40 = 26,658.81 : x
  2. Step 2: Convert to fraction form
    39,338.62/54,307.40 = 26,658.81/x
  3. Step 3: Cross multiply
    39,338.62x = 54,307.40 × 26,658.81
  4. Step 4: Simplify right side
    39,338.62x = 1,447,770,524.90
  5. Step 5: Solve for x
    x = 1,447,770,524.90/39,338.62
  6. Step 6: Final answer
    x = 36,802.78

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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.