Home / 31,859.08-47,769.18-13,133.32

Finding the Fourth Proportional to 31,859.08, 47,769.18 and 13,133.32

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Solution

The fourth proportional to 31,859.08, 47,769.18 and 13,133.32 is: 19,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,859.08 : 47,769.18 = 13,133.32 : x
  2. Step 2: Convert to fraction form
    31,859.08/47,769.18 = 13,133.32/x
  3. Step 3: Cross multiply
    31,859.08x = 47,769.18 × 13,133.32
  4. Step 4: Simplify right side
    31,859.08x = 627,367,927.08
  5. Step 5: Solve for x
    x = 627,367,927.08/31,859.08
  6. Step 6: Final answer
    x = 19,691.97

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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.