Home / 31,346.88-43,259.04-17,917.92

Finding the Fourth Proportional to 31,346.88, 43,259.04 and 17,917.92

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Solution

The fourth proportional to 31,346.88, 43,259.04 and 17,917.92 is: 24,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.88 : 43,259.04 = 17,917.92 : x
  2. Step 2: Convert to fraction form
    31,346.88/43,259.04 = 17,917.92/x
  3. Step 3: Cross multiply
    31,346.88x = 43,259.04 × 17,917.92
  4. Step 4: Simplify right side
    31,346.88x = 775,112,018.00
  5. Step 5: Solve for x
    x = 775,112,018.00/31,346.88
  6. Step 6: Final answer
    x = 24,726.93

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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.