Home / 31,568.64-47,338.38-11,833.08

Finding the Fourth Proportional to 31,568.64, 47,338.38 and 11,833.08

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Solution

The fourth proportional to 31,568.64, 47,338.38 and 11,833.08 is: 17,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568.64 : 47,338.38 = 11,833.08 : x
  2. Step 2: Convert to fraction form
    31,568.64/47,338.38 = 11,833.08/x
  3. Step 3: Cross multiply
    31,568.64x = 47,338.38 × 11,833.08
  4. Step 4: Simplify right side
    31,568.64x = 560,158,837.61
  5. Step 5: Solve for x
    x = 560,158,837.61/31,568.64
  6. Step 6: Final answer
    x = 17,744.15

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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.