Home / 31,983.96-44,136.84-17,643.78

Finding the Fourth Proportional to 31,983.96, 44,136.84 and 17,643.78

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Solution

The fourth proportional to 31,983.96, 44,136.84 and 17,643.78 is: 24,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.96 : 44,136.84 = 17,643.78 : x
  2. Step 2: Convert to fraction form
    31,983.96/44,136.84 = 17,643.78/x
  3. Step 3: Cross multiply
    31,983.96x = 44,136.84 × 17,643.78
  4. Step 4: Simplify right side
    31,983.96x = 778,740,694.86
  5. Step 5: Solve for x
    x = 778,740,694.86/31,983.96
  6. Step 6: Final answer
    x = 24,347.85

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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.