Home / 42,146.44-63,219.66-10,981.69

Finding the Fourth Proportional to 42,146.44, 63,219.66 and 10,981.69

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Solution

The fourth proportional to 42,146.44, 63,219.66 and 10,981.69 is: 16,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,146.44 : 63,219.66 = 10,981.69 : x
  2. Step 2: Convert to fraction form
    42,146.44/63,219.66 = 10,981.69/x
  3. Step 3: Cross multiply
    42,146.44x = 63,219.66 × 10,981.69
  4. Step 4: Simplify right side
    42,146.44x = 694,258,508.79
  5. Step 5: Solve for x
    x = 694,258,508.79/42,146.44
  6. Step 6: Final answer
    x = 16,472.53

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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.