Home / 38,806.20-58,233.30-15,430.20

Finding the Fourth Proportional to 38,806.20, 58,233.30 and 15,430.20

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Solution

The fourth proportional to 38,806.20, 58,233.30 and 15,430.20 is: 23,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.20 : 58,233.30 = 15,430.20 : x
  2. Step 2: Convert to fraction form
    38,806.20/58,233.30 = 15,430.20/x
  3. Step 3: Cross multiply
    38,806.20x = 58,233.30 × 15,430.20
  4. Step 4: Simplify right side
    38,806.20x = 898,551,465.66
  5. Step 5: Solve for x
    x = 898,551,465.66/38,806.20
  6. Step 6: Final answer
    x = 23,154.84

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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.