Home / 39,479.76-54,476.82-25,351.74

Finding the Fourth Proportional to 39,479.76, 54,476.82 and 25,351.74

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Solution

The fourth proportional to 39,479.76, 54,476.82 and 25,351.74 is: 34,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479.76 : 54,476.82 = 25,351.74 : x
  2. Step 2: Convert to fraction form
    39,479.76/54,476.82 = 25,351.74/x
  3. Step 3: Cross multiply
    39,479.76x = 54,476.82 × 25,351.74
  4. Step 4: Simplify right side
    39,479.76x = 1,381,082,176.67
  5. Step 5: Solve for x
    x = 1,381,082,176.67/39,479.76
  6. Step 6: Final answer
    x = 34,982.03

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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.