Home / 34,892.90-48,151.23-18,978.02

Finding the Fourth Proportional to 34,892.90, 48,151.23 and 18,978.02

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Solution

The fourth proportional to 34,892.90, 48,151.23 and 18,978.02 is: 26,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,892.90 : 48,151.23 = 18,978.02 : x
  2. Step 2: Convert to fraction form
    34,892.90/48,151.23 = 18,978.02/x
  3. Step 3: Cross multiply
    34,892.90x = 48,151.23 × 18,978.02
  4. Step 4: Simplify right side
    34,892.90x = 913,815,005.96
  5. Step 5: Solve for x
    x = 913,815,005.96/34,892.90
  6. Step 6: Final answer
    x = 26,189.14

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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.