Home / 38,918.49-53,687.89-22,775.19

Finding the Fourth Proportional to 38,918.49, 53,687.89 and 22,775.19

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Solution

The fourth proportional to 38,918.49, 53,687.89 and 22,775.19 is: 31,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,918.49 : 53,687.89 = 22,775.19 : x
  2. Step 2: Convert to fraction form
    38,918.49/53,687.89 = 22,775.19/x
  3. Step 3: Cross multiply
    38,918.49x = 53,687.89 × 22,775.19
  4. Step 4: Simplify right side
    38,918.49x = 1,222,751,722.59
  5. Step 5: Solve for x
    x = 1,222,751,722.59/38,918.49
  6. Step 6: Final answer
    x = 31,418.28

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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.