Home / 31,390.49-43,318.91-17,244.25

Finding the Fourth Proportional to 31,390.49, 43,318.91 and 17,244.25

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Solution

The fourth proportional to 31,390.49, 43,318.91 and 17,244.25 is: 23,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390.49 : 43,318.91 = 17,244.25 : x
  2. Step 2: Convert to fraction form
    31,390.49/43,318.91 = 17,244.25/x
  3. Step 3: Cross multiply
    31,390.49x = 43,318.91 × 17,244.25
  4. Step 4: Simplify right side
    31,390.49x = 747,002,113.77
  5. Step 5: Solve for x
    x = 747,002,113.77/31,390.49
  6. Step 6: Final answer
    x = 23,797.08

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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.