Home / 31,860.64-43,968.78-17,521.05

Finding the Fourth Proportional to 31,860.64, 43,968.78 and 17,521.05

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Solution

The fourth proportional to 31,860.64, 43,968.78 and 17,521.05 is: 24,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860.64 : 43,968.78 = 17,521.05 : x
  2. Step 2: Convert to fraction form
    31,860.64/43,968.78 = 17,521.05/x
  3. Step 3: Cross multiply
    31,860.64x = 43,968.78 × 17,521.05
  4. Step 4: Simplify right side
    31,860.64x = 770,379,423.41
  5. Step 5: Solve for x
    x = 770,379,423.41/31,860.64
  6. Step 6: Final answer
    x = 24,179.66

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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.