Home / 47,835.60-71,720.94-26,790.12

Finding the Fourth Proportional to 47,835.60, 71,720.94 and 26,790.12

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Solution

The fourth proportional to 47,835.60, 71,720.94 and 26,790.12 is: 40,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,835.60 : 71,720.94 = 26,790.12 : x
  2. Step 2: Convert to fraction form
    47,835.60/71,720.94 = 26,790.12/x
  3. Step 3: Cross multiply
    47,835.60x = 71,720.94 × 26,790.12
  4. Step 4: Simplify right side
    47,835.60x = 1,921,412,589.11
  5. Step 5: Solve for x
    x = 1,921,412,589.11/47,835.60
  6. Step 6: Final answer
    x = 40,167.00

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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.