Home / 30,624.28-42,260.14-17,195.30

Finding the Fourth Proportional to 30,624.28, 42,260.14 and 17,195.30

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Solution

The fourth proportional to 30,624.28, 42,260.14 and 17,195.30 is: 23,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.28 : 42,260.14 = 17,195.30 : x
  2. Step 2: Convert to fraction form
    30,624.28/42,260.14 = 17,195.30/x
  3. Step 3: Cross multiply
    30,624.28x = 42,260.14 × 17,195.30
  4. Step 4: Simplify right side
    30,624.28x = 726,675,785.34
  5. Step 5: Solve for x
    x = 726,675,785.34/30,624.28
  6. Step 6: Final answer
    x = 23,728.75

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.