Home / 42,552.70-63,818.79-18,847.14

Finding the Fourth Proportional to 42,552.70, 63,818.79 and 18,847.14

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Solution

The fourth proportional to 42,552.70, 63,818.79 and 18,847.14 is: 28,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,552.70 : 63,818.79 = 18,847.14 : x
  2. Step 2: Convert to fraction form
    42,552.70/63,818.79 = 18,847.14/x
  3. Step 3: Cross multiply
    42,552.70x = 63,818.79 × 18,847.14
  4. Step 4: Simplify right side
    42,552.70x = 1,202,801,669.76
  5. Step 5: Solve for x
    x = 1,202,801,669.76/42,552.70
  6. Step 6: Final answer
    x = 28,266.17

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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.