Home / 30,177.20-45,247.62-13,534.22

Finding the Fourth Proportional to 30,177.20, 45,247.62 and 13,534.22

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Solution

The fourth proportional to 30,177.20, 45,247.62 and 13,534.22 is: 20,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.20 : 45,247.62 = 13,534.22 : x
  2. Step 2: Convert to fraction form
    30,177.20/45,247.62 = 13,534.22/x
  3. Step 3: Cross multiply
    30,177.20x = 45,247.62 × 13,534.22
  4. Step 4: Simplify right side
    30,177.20x = 612,391,243.56
  5. Step 5: Solve for x
    x = 612,391,243.56/30,177.20
  6. Step 6: Final answer
    x = 20,293.18

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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.