Home / 38,809.20-58,237.80-15,433.20

Finding the Fourth Proportional to 38,809.20, 58,237.80 and 15,433.20

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Solution

The fourth proportional to 38,809.20, 58,237.80 and 15,433.20 is: 23,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,809.20 : 58,237.80 = 15,433.20 : x
  2. Step 2: Convert to fraction form
    38,809.20/58,237.80 = 15,433.20/x
  3. Step 3: Cross multiply
    38,809.20x = 58,237.80 × 15,433.20
  4. Step 4: Simplify right side
    38,809.20x = 898,795,614.96
  5. Step 5: Solve for x
    x = 898,795,614.96/38,809.20
  6. Step 6: Final answer
    x = 23,159.34

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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.