Home / 47,430.18-71,181.99-17,874.90

Finding the Fourth Proportional to 47,430.18, 71,181.99 and 17,874.90

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Solution

The fourth proportional to 47,430.18, 71,181.99 and 17,874.90 is: 26,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,430.18 : 71,181.99 = 17,874.90 : x
  2. Step 2: Convert to fraction form
    47,430.18/71,181.99 = 17,874.90/x
  3. Step 3: Cross multiply
    47,430.18x = 71,181.99 × 17,874.90
  4. Step 4: Simplify right side
    47,430.18x = 1,272,370,953.05
  5. Step 5: Solve for x
    x = 1,272,370,953.05/47,430.18
  6. Step 6: Final answer
    x = 26,826.19

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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.