Home / 31,864.64-43,973.20-17,717.18

Finding the Fourth Proportional to 31,864.64, 43,973.20 and 17,717.18

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Solution

The fourth proportional to 31,864.64, 43,973.20 and 17,717.18 is: 24,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864.64 : 43,973.20 = 17,717.18 : x
  2. Step 2: Convert to fraction form
    31,864.64/43,973.20 = 17,717.18/x
  3. Step 3: Cross multiply
    31,864.64x = 43,973.20 × 17,717.18
  4. Step 4: Simplify right side
    31,864.64x = 779,081,199.04
  5. Step 5: Solve for x
    x = 779,081,199.04/31,864.64
  6. Step 6: Final answer
    x = 24,449.71

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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.