Home / 39,710.28-54,804.56-22,716.09

Finding the Fourth Proportional to 39,710.28, 54,804.56 and 22,716.09

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Solution

The fourth proportional to 39,710.28, 54,804.56 and 22,716.09 is: 31,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,710.28 : 54,804.56 = 22,716.09 : x
  2. Step 2: Convert to fraction form
    39,710.28/54,804.56 = 22,716.09/x
  3. Step 3: Cross multiply
    39,710.28x = 54,804.56 × 22,716.09
  4. Step 4: Simplify right side
    39,710.28x = 1,244,945,203.79
  5. Step 5: Solve for x
    x = 1,244,945,203.79/39,710.28
  6. Step 6: Final answer
    x = 31,350.70

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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.