Home / 31,254.19-43,130.78-17,107.03

Finding the Fourth Proportional to 31,254.19, 43,130.78 and 17,107.03

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Solution

The fourth proportional to 31,254.19, 43,130.78 and 17,107.03 is: 23,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.19 : 43,130.78 = 17,107.03 : x
  2. Step 2: Convert to fraction form
    31,254.19/43,130.78 = 17,107.03/x
  3. Step 3: Cross multiply
    31,254.19x = 43,130.78 × 17,107.03
  4. Step 4: Simplify right side
    31,254.19x = 737,839,579.91
  5. Step 5: Solve for x
    x = 737,839,579.91/31,254.19
  6. Step 6: Final answer
    x = 23,607.70

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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.