Home / 38,648.16-57,973.12-21,888.44

Finding the Fourth Proportional to 38,648.16, 57,973.12 and 21,888.44

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Solution

The fourth proportional to 38,648.16, 57,973.12 and 21,888.44 is: 32,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648.16 : 57,973.12 = 21,888.44 : x
  2. Step 2: Convert to fraction form
    38,648.16/57,973.12 = 21,888.44/x
  3. Step 3: Cross multiply
    38,648.16x = 57,973.12 × 21,888.44
  4. Step 4: Simplify right side
    38,648.16x = 1,268,941,158.73
  5. Step 5: Solve for x
    x = 1,268,941,158.73/38,648.16
  6. Step 6: Final answer
    x = 32,833.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.