Home / 47,850.92-71,779.02-18,271.16

Finding the Fourth Proportional to 47,850.92, 71,779.02 and 18,271.16

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Solution

The fourth proportional to 47,850.92, 71,779.02 and 18,271.16 is: 27,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,850.92 : 71,779.02 = 18,271.16 : x
  2. Step 2: Convert to fraction form
    47,850.92/71,779.02 = 18,271.16/x
  3. Step 3: Cross multiply
    47,850.92x = 71,779.02 × 18,271.16
  4. Step 4: Simplify right side
    47,850.92x = 1,311,485,959.06
  5. Step 5: Solve for x
    x = 1,311,485,959.06/47,850.92
  6. Step 6: Final answer
    x = 27,407.75

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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.