Home / 31,917.51-44,044.29-18,487.89

Finding the Fourth Proportional to 31,917.51, 44,044.29 and 18,487.89

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Solution

The fourth proportional to 31,917.51, 44,044.29 and 18,487.89 is: 25,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.51 : 44,044.29 = 18,487.89 : x
  2. Step 2: Convert to fraction form
    31,917.51/44,044.29 = 18,487.89/x
  3. Step 3: Cross multiply
    31,917.51x = 44,044.29 × 18,487.89
  4. Step 4: Simplify right side
    31,917.51x = 814,285,988.65
  5. Step 5: Solve for x
    x = 814,285,988.65/31,917.51
  6. Step 6: Final answer
    x = 25,512.20

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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.