Home / 30,328.38-45,500.80-17,189.96

Finding the Fourth Proportional to 30,328.38, 45,500.80 and 17,189.96

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Solution

The fourth proportional to 30,328.38, 45,500.80 and 17,189.96 is: 25,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.38 : 45,500.80 = 17,189.96 : x
  2. Step 2: Convert to fraction form
    30,328.38/45,500.80 = 17,189.96/x
  3. Step 3: Cross multiply
    30,328.38x = 45,500.80 × 17,189.96
  4. Step 4: Simplify right side
    30,328.38x = 782,156,931.97
  5. Step 5: Solve for x
    x = 782,156,931.97/30,328.38
  6. Step 6: Final answer
    x = 25,789.60

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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.