Home / 31,399.65-47,103.56-10,341.84

Finding the Fourth Proportional to 31,399.65, 47,103.56 and 10,341.84

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Solution

The fourth proportional to 31,399.65, 47,103.56 and 10,341.84 is: 15,514.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.65 : 47,103.56 = 10,341.84 : x
  2. Step 2: Convert to fraction form
    31,399.65/47,103.56 = 10,341.84/x
  3. Step 3: Cross multiply
    31,399.65x = 47,103.56 × 10,341.84
  4. Step 4: Simplify right side
    31,399.65x = 487,137,644.66
  5. Step 5: Solve for x
    x = 487,137,644.66/31,399.65
  6. Step 6: Final answer
    x = 15,514.11

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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.