Home / 31,858.80-43,964.88-17,711.52

Finding the Fourth Proportional to 31,858.80, 43,964.88 and 17,711.52

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Solution

The fourth proportional to 31,858.80, 43,964.88 and 17,711.52 is: 24,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,858.80 : 43,964.88 = 17,711.52 : x
  2. Step 2: Convert to fraction form
    31,858.80/43,964.88 = 17,711.52/x
  3. Step 3: Cross multiply
    31,858.80x = 43,964.88 × 17,711.52
  4. Step 4: Simplify right side
    31,858.80x = 778,684,851.42
  5. Step 5: Solve for x
    x = 778,684,851.42/31,858.80
  6. Step 6: Final answer
    x = 24,441.75

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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.