Home / 47,621.42-71,435.02-19,910.06

Finding the Fourth Proportional to 47,621.42, 71,435.02 and 19,910.06

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Solution

The fourth proportional to 47,621.42, 71,435.02 and 19,910.06 is: 29,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,621.42 : 71,435.02 = 19,910.06 : x
  2. Step 2: Convert to fraction form
    47,621.42/71,435.02 = 19,910.06/x
  3. Step 3: Cross multiply
    47,621.42x = 71,435.02 × 19,910.06
  4. Step 4: Simplify right side
    47,621.42x = 1,422,275,534.30
  5. Step 5: Solve for x
    x = 1,422,275,534.30/47,621.42
  6. Step 6: Final answer
    x = 29,866.30

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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.