Home / 47,959.66-71,929.41-12,899.62

Finding the Fourth Proportional to 47,959.66, 71,929.41 and 12,899.62

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Solution

The fourth proportional to 47,959.66, 71,929.41 and 12,899.62 is: 19,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,959.66 : 71,929.41 = 12,899.62 : x
  2. Step 2: Convert to fraction form
    47,959.66/71,929.41 = 12,899.62/x
  3. Step 3: Cross multiply
    47,959.66x = 71,929.41 × 12,899.62
  4. Step 4: Simplify right side
    47,959.66x = 927,862,055.82
  5. Step 5: Solve for x
    x = 927,862,055.82/47,959.66
  6. Step 6: Final answer
    x = 19,346.72

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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.