Home / 31,493.91-43,373.70-26,139.54

Finding the Fourth Proportional to 31,493.91, 43,373.70 and 26,139.54

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Solution

The fourth proportional to 31,493.91, 43,373.70 and 26,139.54 is: 35,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.91 : 43,373.70 = 26,139.54 : x
  2. Step 2: Convert to fraction form
    31,493.91/43,373.70 = 26,139.54/x
  3. Step 3: Cross multiply
    31,493.91x = 43,373.70 × 26,139.54
  4. Step 4: Simplify right side
    31,493.91x = 1,133,768,566.10
  5. Step 5: Solve for x
    x = 1,133,768,566.10/31,493.91
  6. Step 6: Final answer
    x = 35,999.61

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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.