Home / 47,390.91-71,071.02-25,191.60

Finding the Fourth Proportional to 47,390.91, 71,071.02 and 25,191.60

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Solution

The fourth proportional to 47,390.91, 71,071.02 and 25,191.60 is: 37,779.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390.91 : 71,071.02 = 25,191.60 : x
  2. Step 2: Convert to fraction form
    47,390.91/71,071.02 = 25,191.60/x
  3. Step 3: Cross multiply
    47,390.91x = 71,071.02 × 25,191.60
  4. Step 4: Simplify right side
    47,390.91x = 1,790,392,707.43
  5. Step 5: Solve for x
    x = 1,790,392,707.43/47,390.91
  6. Step 6: Final answer
    x = 37,779.24

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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.