Home / 31,289.04-43,179.24-17,862.12

Finding the Fourth Proportional to 31,289.04, 43,179.24 and 17,862.12

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Solution

The fourth proportional to 31,289.04, 43,179.24 and 17,862.12 is: 24,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,289.04 : 43,179.24 = 17,862.12 : x
  2. Step 2: Convert to fraction form
    31,289.04/43,179.24 = 17,862.12/x
  3. Step 3: Cross multiply
    31,289.04x = 43,179.24 × 17,862.12
  4. Step 4: Simplify right side
    31,289.04x = 771,272,766.39
  5. Step 5: Solve for x
    x = 771,272,766.39/31,289.04
  6. Step 6: Final answer
    x = 24,649.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.