Home / 38,928.90-53,724.31-22,579.43

Finding the Fourth Proportional to 38,928.90, 53,724.31 and 22,579.43

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Solution

The fourth proportional to 38,928.90, 53,724.31 and 22,579.43 is: 31,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,928.90 : 53,724.31 = 22,579.43 : x
  2. Step 2: Convert to fraction form
    38,928.90/53,724.31 = 22,579.43/x
  3. Step 3: Cross multiply
    38,928.90x = 53,724.31 × 22,579.43
  4. Step 4: Simplify right side
    38,928.90x = 1,213,064,296.94
  5. Step 5: Solve for x
    x = 1,213,064,296.94/38,928.90
  6. Step 6: Final answer
    x = 31,161.02

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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.