Home / 31,251.02-43,117.86-17,817.37

Finding the Fourth Proportional to 31,251.02, 43,117.86 and 17,817.37

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Solution

The fourth proportional to 31,251.02, 43,117.86 and 17,817.37 is: 24,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.02 : 43,117.86 = 17,817.37 : x
  2. Step 2: Convert to fraction form
    31,251.02/43,117.86 = 17,817.37/x
  3. Step 3: Cross multiply
    31,251.02x = 43,117.86 × 17,817.37
  4. Step 4: Simplify right side
    31,251.02x = 768,246,820.68
  5. Step 5: Solve for x
    x = 768,246,820.68/31,251.02
  6. Step 6: Final answer
    x = 24,583.10

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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.