Home / 31,348.85-47,037.58-17,121.80

Finding the Fourth Proportional to 31,348.85, 47,037.58 and 17,121.80

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Solution

The fourth proportional to 31,348.85, 47,037.58 and 17,121.80 is: 25,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,348.85 : 47,037.58 = 17,121.80 : x
  2. Step 2: Convert to fraction form
    31,348.85/47,037.58 = 17,121.80/x
  3. Step 3: Cross multiply
    31,348.85x = 47,037.58 × 17,121.80
  4. Step 4: Simplify right side
    31,348.85x = 805,368,112.03
  5. Step 5: Solve for x
    x = 805,368,112.03/31,348.85
  6. Step 6: Final answer
    x = 25,690.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.