Home / 31,633.86-43,654.38-17,486.40

Finding the Fourth Proportional to 31,633.86, 43,654.38 and 17,486.40

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Solution

The fourth proportional to 31,633.86, 43,654.38 and 17,486.40 is: 24,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,633.86 : 43,654.38 = 17,486.40 : x
  2. Step 2: Convert to fraction form
    31,633.86/43,654.38 = 17,486.40/x
  3. Step 3: Cross multiply
    31,633.86x = 43,654.38 × 17,486.40
  4. Step 4: Simplify right side
    31,633.86x = 763,357,950.43
  5. Step 5: Solve for x
    x = 763,357,950.43/31,633.86
  6. Step 6: Final answer
    x = 24,131.04

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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.