Home / 30,125.85-45,201.17-13,250.18

Finding the Fourth Proportional to 30,125.85, 45,201.17 and 13,250.18

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Solution

The fourth proportional to 30,125.85, 45,201.17 and 13,250.18 is: 19,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.85 : 45,201.17 = 13,250.18 : x
  2. Step 2: Convert to fraction form
    30,125.85/45,201.17 = 13,250.18/x
  3. Step 3: Cross multiply
    30,125.85x = 45,201.17 × 13,250.18
  4. Step 4: Simplify right side
    30,125.85x = 598,923,346.45
  5. Step 5: Solve for x
    x = 598,923,346.45/30,125.85
  6. Step 6: Final answer
    x = 19,880.71

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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.