Home / 39,180.24-58,770.84-11,478.80

Finding the Fourth Proportional to 39,180.24, 58,770.84 and 11,478.80

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Solution

The fourth proportional to 39,180.24, 58,770.84 and 11,478.80 is: 17,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.24 : 58,770.84 = 11,478.80 : x
  2. Step 2: Convert to fraction form
    39,180.24/58,770.84 = 11,478.80/x
  3. Step 3: Cross multiply
    39,180.24x = 58,770.84 × 11,478.80
  4. Step 4: Simplify right side
    39,180.24x = 674,618,718.19
  5. Step 5: Solve for x
    x = 674,618,718.19/39,180.24
  6. Step 6: Final answer
    x = 17,218.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.