Home / 31,589.33-47,395.28-13,569.99

Finding the Fourth Proportional to 31,589.33, 47,395.28 and 13,569.99

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Solution

The fourth proportional to 31,589.33, 47,395.28 and 13,569.99 is: 20,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589.33 : 47,395.28 = 13,569.99 : x
  2. Step 2: Convert to fraction form
    31,589.33/47,395.28 = 13,569.99/x
  3. Step 3: Cross multiply
    31,589.33x = 47,395.28 × 13,569.99
  4. Step 4: Simplify right side
    31,589.33x = 643,153,475.65
  5. Step 5: Solve for x
    x = 643,153,475.65/31,589.33
  6. Step 6: Final answer
    x = 20,359.83

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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.