Home / 31,708.71-43,758.32-17,561.84

Finding the Fourth Proportional to 31,708.71, 43,758.32 and 17,561.84

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Solution

The fourth proportional to 31,708.71, 43,758.32 and 17,561.84 is: 24,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.71 : 43,758.32 = 17,561.84 : x
  2. Step 2: Convert to fraction form
    31,708.71/43,758.32 = 17,561.84/x
  3. Step 3: Cross multiply
    31,708.71x = 43,758.32 × 17,561.84
  4. Step 4: Simplify right side
    31,708.71x = 768,476,307.91
  5. Step 5: Solve for x
    x = 768,476,307.91/31,708.71
  6. Step 6: Final answer
    x = 24,235.50

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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.