Home / 38,239.88-57,351.15-14,538.99

Finding the Fourth Proportional to 38,239.88, 57,351.15 and 14,538.99

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Solution

The fourth proportional to 38,239.88, 57,351.15 and 14,538.99 is: 21,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.88 : 57,351.15 = 14,538.99 : x
  2. Step 2: Convert to fraction form
    38,239.88/57,351.15 = 14,538.99/x
  3. Step 3: Cross multiply
    38,239.88x = 57,351.15 × 14,538.99
  4. Step 4: Simplify right side
    38,239.88x = 833,828,031.85
  5. Step 5: Solve for x
    x = 833,828,031.85/38,239.88
  6. Step 6: Final answer
    x = 21,805.19

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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.