Home / 31,943.35-47,924.28-13,219.93

Finding the Fourth Proportional to 31,943.35, 47,924.28 and 13,219.93

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Solution

The fourth proportional to 31,943.35, 47,924.28 and 13,219.93 is: 19,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943.35 : 47,924.28 = 13,219.93 : x
  2. Step 2: Convert to fraction form
    31,943.35/47,924.28 = 13,219.93/x
  3. Step 3: Cross multiply
    31,943.35x = 47,924.28 × 13,219.93
  4. Step 4: Simplify right side
    31,943.35x = 633,555,626.90
  5. Step 5: Solve for x
    x = 633,555,626.90/31,943.35
  6. Step 6: Final answer
    x = 19,833.73

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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.