Home / 45,105.76-67,673.67-15,122.96

Finding the Fourth Proportional to 45,105.76, 67,673.67 and 15,122.96

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Solution

The fourth proportional to 45,105.76, 67,673.67 and 15,122.96 is: 22,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,105.76 : 67,673.67 = 15,122.96 : x
  2. Step 2: Convert to fraction form
    45,105.76/67,673.67 = 15,122.96/x
  3. Step 3: Cross multiply
    45,105.76x = 67,673.67 × 15,122.96
  4. Step 4: Simplify right side
    45,105.76x = 1,023,426,204.46
  5. Step 5: Solve for x
    x = 1,023,426,204.46/45,105.76
  6. Step 6: Final answer
    x = 22,689.48

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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.