Home / 39,250.12-54,133.14-31,694.28

Finding the Fourth Proportional to 39,250.12, 54,133.14 and 31,694.28

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Solution

The fourth proportional to 39,250.12, 54,133.14 and 31,694.28 is: 43,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,250.12 : 54,133.14 = 31,694.28 : x
  2. Step 2: Convert to fraction form
    39,250.12/54,133.14 = 31,694.28/x
  3. Step 3: Cross multiply
    39,250.12x = 54,133.14 × 31,694.28
  4. Step 4: Simplify right side
    39,250.12x = 1,715,710,896.44
  5. Step 5: Solve for x
    x = 1,715,710,896.44/39,250.12
  6. Step 6: Final answer
    x = 43,712.25

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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.