Home / 31,239.07-43,110.99-17,091.92

Finding the Fourth Proportional to 31,239.07, 43,110.99 and 17,091.92

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Solution

The fourth proportional to 31,239.07, 43,110.99 and 17,091.92 is: 23,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.07 : 43,110.99 = 17,091.92 : x
  2. Step 2: Convert to fraction form
    31,239.07/43,110.99 = 17,091.92/x
  3. Step 3: Cross multiply
    31,239.07x = 43,110.99 × 17,091.92
  4. Step 4: Simplify right side
    31,239.07x = 736,849,592.20
  5. Step 5: Solve for x
    x = 736,849,592.20/31,239.07
  6. Step 6: Final answer
    x = 23,587.44

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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.