Home / 31,254.21-43,130.83-17,107.13

Finding the Fourth Proportional to 31,254.21, 43,130.83 and 17,107.13

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Solution

The fourth proportional to 31,254.21, 43,130.83 and 17,107.13 is: 23,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.21 : 43,130.83 = 17,107.13 : x
  2. Step 2: Convert to fraction form
    31,254.21/43,130.83 = 17,107.13/x
  3. Step 3: Cross multiply
    31,254.21x = 43,130.83 × 17,107.13
  4. Step 4: Simplify right side
    31,254.21x = 737,844,630.28
  5. Step 5: Solve for x
    x = 737,844,630.28/31,254.21
  6. Step 6: Final answer
    x = 23,607.85

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Double scale
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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.