Home / 34,716.75-47,909.03-18,801.15

Finding the Fourth Proportional to 34,716.75, 47,909.03 and 18,801.15

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Solution

The fourth proportional to 34,716.75, 47,909.03 and 18,801.15 is: 25,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,716.75 : 47,909.03 = 18,801.15 : x
  2. Step 2: Convert to fraction form
    34,716.75/47,909.03 = 18,801.15/x
  3. Step 3: Cross multiply
    34,716.75x = 47,909.03 × 18,801.15
  4. Step 4: Simplify right side
    34,716.75x = 900,744,859.38
  5. Step 5: Solve for x
    x = 900,744,859.38/34,716.75
  6. Step 6: Final answer
    x = 25,945.54

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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.