Home / 31,537.84-43,522.38-17,390.69

Finding the Fourth Proportional to 31,537.84, 43,522.38 and 17,390.69

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Solution

The fourth proportional to 31,537.84, 43,522.38 and 17,390.69 is: 23,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.84 : 43,522.38 = 17,390.69 : x
  2. Step 2: Convert to fraction form
    31,537.84/43,522.38 = 17,390.69/x
  3. Step 3: Cross multiply
    31,537.84x = 43,522.38 × 17,390.69
  4. Step 4: Simplify right side
    31,537.84x = 756,884,218.64
  5. Step 5: Solve for x
    x = 756,884,218.64/31,537.84
  6. Step 6: Final answer
    x = 23,999.24

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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.