Home / 38,086.65-57,391.88-31,569.53

Finding the Fourth Proportional to 38,086.65, 57,391.88 and 31,569.53

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Solution

The fourth proportional to 38,086.65, 57,391.88 and 31,569.53 is: 47,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086.65 : 57,391.88 = 31,569.53 : x
  2. Step 2: Convert to fraction form
    38,086.65/57,391.88 = 31,569.53/x
  3. Step 3: Cross multiply
    38,086.65x = 57,391.88 × 31,569.53
  4. Step 4: Simplify right side
    38,086.65x = 1,811,834,232.61
  5. Step 5: Solve for x
    x = 1,811,834,232.61/38,086.65
  6. Step 6: Final answer
    x = 47,571.37

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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.