Home / 31,911.07-44,034.10-18,486.65

Finding the Fourth Proportional to 31,911.07, 44,034.10 and 18,486.65

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Solution

The fourth proportional to 31,911.07, 44,034.10 and 18,486.65 is: 25,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.07 : 44,034.10 = 18,486.65 : x
  2. Step 2: Convert to fraction form
    31,911.07/44,034.10 = 18,486.65/x
  3. Step 3: Cross multiply
    31,911.07x = 44,034.10 × 18,486.65
  4. Step 4: Simplify right side
    31,911.07x = 814,042,682.16
  5. Step 5: Solve for x
    x = 814,042,682.16/31,911.07
  6. Step 6: Final answer
    x = 25,509.73

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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.