Home / 39,848.53-54,991.33-21,944.18

Finding the Fourth Proportional to 39,848.53, 54,991.33 and 21,944.18

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Solution

The fourth proportional to 39,848.53, 54,991.33 and 21,944.18 is: 30,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.53 : 54,991.33 = 21,944.18 : x
  2. Step 2: Convert to fraction form
    39,848.53/54,991.33 = 21,944.18/x
  3. Step 3: Cross multiply
    39,848.53x = 54,991.33 × 21,944.18
  4. Step 4: Simplify right side
    39,848.53x = 1,206,739,643.96
  5. Step 5: Solve for x
    x = 1,206,739,643.96/39,848.53
  6. Step 6: Final answer
    x = 30,283.17

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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.