Home / 38,965.78-58,474.56-14,341.78

Finding the Fourth Proportional to 38,965.78, 58,474.56 and 14,341.78

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Solution

The fourth proportional to 38,965.78, 58,474.56 and 14,341.78 is: 21,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965.78 : 58,474.56 = 14,341.78 : x
  2. Step 2: Convert to fraction form
    38,965.78/58,474.56 = 14,341.78/x
  3. Step 3: Cross multiply
    38,965.78x = 58,474.56 × 14,341.78
  4. Step 4: Simplify right side
    38,965.78x = 838,629,275.12
  5. Step 5: Solve for x
    x = 838,629,275.12/38,965.78
  6. Step 6: Final answer
    x = 21,522.20

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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.