Home / 38,805.42-58,208.49-15,437.82

Finding the Fourth Proportional to 38,805.42, 58,208.49 and 15,437.82

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Solution

The fourth proportional to 38,805.42, 58,208.49 and 15,437.82 is: 23,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,805.42 : 58,208.49 = 15,437.82 : x
  2. Step 2: Convert to fraction form
    38,805.42/58,208.49 = 15,437.82/x
  3. Step 3: Cross multiply
    38,805.42x = 58,208.49 × 15,437.82
  4. Step 4: Simplify right side
    38,805.42x = 898,612,191.09
  5. Step 5: Solve for x
    x = 898,612,191.09/38,805.42
  6. Step 6: Final answer
    x = 23,156.87

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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.