Home / 42,868.16-64,525.80-38,793.04

Finding the Fourth Proportional to 42,868.16, 64,525.80 and 38,793.04

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Solution

The fourth proportional to 42,868.16, 64,525.80 and 38,793.04 is: 58,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,868.16 : 64,525.80 = 38,793.04 : x
  2. Step 2: Convert to fraction form
    42,868.16/64,525.80 = 38,793.04/x
  3. Step 3: Cross multiply
    42,868.16x = 64,525.80 × 38,793.04
  4. Step 4: Simplify right side
    42,868.16x = 2,503,151,940.43
  5. Step 5: Solve for x
    x = 2,503,151,940.43/42,868.16
  6. Step 6: Final answer
    x = 58,391.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.