Home / 47,610.19-71,424.32-19,149.32

Finding the Fourth Proportional to 47,610.19, 71,424.32 and 19,149.32

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Solution

The fourth proportional to 47,610.19, 71,424.32 and 19,149.32 is: 28,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,610.19 : 71,424.32 = 19,149.32 : x
  2. Step 2: Convert to fraction form
    47,610.19/71,424.32 = 19,149.32/x
  3. Step 3: Cross multiply
    47,610.19x = 71,424.32 × 19,149.32
  4. Step 4: Simplify right side
    47,610.19x = 1,367,727,159.46
  5. Step 5: Solve for x
    x = 1,367,727,159.46/47,610.19
  6. Step 6: Final answer
    x = 28,727.61

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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.