Home / 31,369.79-43,290.13-17,029.91

Finding the Fourth Proportional to 31,369.79, 43,290.13 and 17,029.91

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Solution

The fourth proportional to 31,369.79, 43,290.13 and 17,029.91 is: 23,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369.79 : 43,290.13 = 17,029.91 : x
  2. Step 2: Convert to fraction form
    31,369.79/43,290.13 = 17,029.91/x
  3. Step 3: Cross multiply
    31,369.79x = 43,290.13 × 17,029.91
  4. Step 4: Simplify right side
    31,369.79x = 737,227,017.79
  5. Step 5: Solve for x
    x = 737,227,017.79/31,369.79
  6. Step 6: Final answer
    x = 23,501.18

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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.