Home / 31,479.69-43,441.87-17,332.53

Finding the Fourth Proportional to 31,479.69, 43,441.87 and 17,332.53

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Solution

The fourth proportional to 31,479.69, 43,441.87 and 17,332.53 is: 23,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479.69 : 43,441.87 = 17,332.53 : x
  2. Step 2: Convert to fraction form
    31,479.69/43,441.87 = 17,332.53/x
  3. Step 3: Cross multiply
    31,479.69x = 43,441.87 × 17,332.53
  4. Step 4: Simplify right side
    31,479.69x = 752,957,585.65
  5. Step 5: Solve for x
    x = 752,957,585.65/31,479.69
  6. Step 6: Final answer
    x = 23,918.84

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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.