Home / 30,177.28-45,269.97-11,464.30

Finding the Fourth Proportional to 30,177.28, 45,269.97 and 11,464.30

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Solution

The fourth proportional to 30,177.28, 45,269.97 and 11,464.30 is: 17,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.28 : 45,269.97 = 11,464.30 : x
  2. Step 2: Convert to fraction form
    30,177.28/45,269.97 = 11,464.30/x
  3. Step 3: Cross multiply
    30,177.28x = 45,269.97 × 11,464.30
  4. Step 4: Simplify right side
    30,177.28x = 518,988,517.07
  5. Step 5: Solve for x
    x = 518,988,517.07/30,177.28
  6. Step 6: Final answer
    x = 17,197.99

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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.