Home / 39,848.46-54,991.56-21,943.07

Finding the Fourth Proportional to 39,848.46, 54,991.56 and 21,943.07

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Solution

The fourth proportional to 39,848.46, 54,991.56 and 21,943.07 is: 30,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.46 : 54,991.56 = 21,943.07 : x
  2. Step 2: Convert to fraction form
    39,848.46/54,991.56 = 21,943.07/x
  3. Step 3: Cross multiply
    39,848.46x = 54,991.56 × 21,943.07
  4. Step 4: Simplify right side
    39,848.46x = 1,206,683,375.53
  5. Step 5: Solve for x
    x = 1,206,683,375.53/39,848.46
  6. Step 6: Final answer
    x = 30,281.81

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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.