Home / 31,539.78-43,522.92-17,392.59

Finding the Fourth Proportional to 31,539.78, 43,522.92 and 17,392.59

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Solution

The fourth proportional to 31,539.78, 43,522.92 and 17,392.59 is: 24,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.78 : 43,522.92 = 17,392.59 : x
  2. Step 2: Convert to fraction form
    31,539.78/43,522.92 = 17,392.59/x
  3. Step 3: Cross multiply
    31,539.78x = 43,522.92 × 17,392.59
  4. Step 4: Simplify right side
    31,539.78x = 756,976,303.16
  5. Step 5: Solve for x
    x = 756,976,303.16/31,539.78
  6. Step 6: Final answer
    x = 24,000.68

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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.