Home / 34,886.42-48,144.27-18,971.90

Finding the Fourth Proportional to 34,886.42, 48,144.27 and 18,971.90

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Solution

The fourth proportional to 34,886.42, 48,144.27 and 18,971.90 is: 26,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.42 : 48,144.27 = 18,971.90 : x
  2. Step 2: Convert to fraction form
    34,886.42/48,144.27 = 18,971.90/x
  3. Step 3: Cross multiply
    34,886.42x = 48,144.27 × 18,971.90
  4. Step 4: Simplify right side
    34,886.42x = 913,388,035.29
  5. Step 5: Solve for x
    x = 913,388,035.29/34,886.42
  6. Step 6: Final answer
    x = 26,181.77

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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.