Home / 34,765.86-47,976.12-18,849.90

Finding the Fourth Proportional to 34,765.86, 47,976.12 and 18,849.90

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Solution

The fourth proportional to 34,765.86, 47,976.12 and 18,849.90 is: 26,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,765.86 : 47,976.12 = 18,849.90 : x
  2. Step 2: Convert to fraction form
    34,765.86/47,976.12 = 18,849.90/x
  3. Step 3: Cross multiply
    34,765.86x = 47,976.12 × 18,849.90
  4. Step 4: Simplify right side
    34,765.86x = 904,345,064.39
  5. Step 5: Solve for x
    x = 904,345,064.39/34,765.86
  6. Step 6: Final answer
    x = 26,012.45

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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.