Home / 20,167.41-30,248.78-5,377.53

Finding the Fourth Proportional to 20,167.41, 30,248.78 and 5,377.53

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Solution

The fourth proportional to 20,167.41, 30,248.78 and 5,377.53 is: 8,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.41 : 30,248.78 = 5,377.53 : x
  2. Step 2: Convert to fraction form
    20,167.41/30,248.78 = 5,377.53/x
  3. Step 3: Cross multiply
    20,167.41x = 30,248.78 × 5,377.53
  4. Step 4: Simplify right side
    20,167.41x = 162,663,695.03
  5. Step 5: Solve for x
    x = 162,663,695.03/20,167.41
  6. Step 6: Final answer
    x = 8,065.67

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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.