Home / 39,821.40-59,715.09-13,514.22

Finding the Fourth Proportional to 39,821.40, 59,715.09 and 13,514.22

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Solution

The fourth proportional to 39,821.40, 59,715.09 and 13,514.22 is: 20,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.40 : 59,715.09 = 13,514.22 : x
  2. Step 2: Convert to fraction form
    39,821.40/59,715.09 = 13,514.22/x
  3. Step 3: Cross multiply
    39,821.40x = 59,715.09 × 13,514.22
  4. Step 4: Simplify right side
    39,821.40x = 807,002,863.58
  5. Step 5: Solve for x
    x = 807,002,863.58/39,821.40
  6. Step 6: Final answer
    x = 20,265.56

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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.