Home / 31,326.64-43,230.36-17,897.79

Finding the Fourth Proportional to 31,326.64, 43,230.36 and 17,897.79

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Solution

The fourth proportional to 31,326.64, 43,230.36 and 17,897.79 is: 24,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.64 : 43,230.36 = 17,897.79 : x
  2. Step 2: Convert to fraction form
    31,326.64/43,230.36 = 17,897.79/x
  3. Step 3: Cross multiply
    31,326.64x = 43,230.36 × 17,897.79
  4. Step 4: Simplify right side
    31,326.64x = 773,727,904.90
  5. Step 5: Solve for x
    x = 773,727,904.90/31,326.64
  6. Step 6: Final answer
    x = 24,698.72

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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.