Home / 31,170.84-43,014.18-17,021.04

Finding the Fourth Proportional to 31,170.84, 43,014.18 and 17,021.04

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Solution

The fourth proportional to 31,170.84, 43,014.18 and 17,021.04 is: 23,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.84 : 43,014.18 = 17,021.04 : x
  2. Step 2: Convert to fraction form
    31,170.84/43,014.18 = 17,021.04/x
  3. Step 3: Cross multiply
    31,170.84x = 43,014.18 × 17,021.04
  4. Step 4: Simplify right side
    31,170.84x = 732,146,078.35
  5. Step 5: Solve for x
    x = 732,146,078.35/31,170.84
  6. Step 6: Final answer
    x = 23,488.17

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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.