Home / 31,455.52-43,407.36-17,306.80

Finding the Fourth Proportional to 31,455.52, 43,407.36 and 17,306.80

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Solution

The fourth proportional to 31,455.52, 43,407.36 and 17,306.80 is: 23,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.52 : 43,407.36 = 17,306.80 : x
  2. Step 2: Convert to fraction form
    31,455.52/43,407.36 = 17,306.80/x
  3. Step 3: Cross multiply
    31,455.52x = 43,407.36 × 17,306.80
  4. Step 4: Simplify right side
    31,455.52x = 751,242,498.05
  5. Step 5: Solve for x
    x = 751,242,498.05/31,455.52
  6. Step 6: Final answer
    x = 23,882.69

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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.