Home / 30,250.28-45,375.40-9,190.24

Finding the Fourth Proportional to 30,250.28, 45,375.40 and 9,190.24

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Solution

The fourth proportional to 30,250.28, 45,375.40 and 9,190.24 is: 13,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.28 : 45,375.40 = 9,190.24 : x
  2. Step 2: Convert to fraction form
    30,250.28/45,375.40 = 9,190.24/x
  3. Step 3: Cross multiply
    30,250.28x = 45,375.40 × 9,190.24
  4. Step 4: Simplify right side
    30,250.28x = 417,010,773.38
  5. Step 5: Solve for x
    x = 417,010,773.38/30,250.28
  6. Step 6: Final answer
    x = 13,785.35

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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.