Home / 38,521.01-57,741.87-18,775.14

Finding the Fourth Proportional to 38,521.01, 57,741.87 and 18,775.14

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Solution

The fourth proportional to 38,521.01, 57,741.87 and 18,775.14 is: 28,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.01 : 57,741.87 = 18,775.14 : x
  2. Step 2: Convert to fraction form
    38,521.01/57,741.87 = 18,775.14/x
  3. Step 3: Cross multiply
    38,521.01x = 57,741.87 × 18,775.14
  4. Step 4: Simplify right side
    38,521.01x = 1,084,111,693.11
  5. Step 5: Solve for x
    x = 1,084,111,693.11/38,521.01
  6. Step 6: Final answer
    x = 28,143.39

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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.