Home / 47,739.17-71,619.08-18,157.56

Finding the Fourth Proportional to 47,739.17, 71,619.08 and 18,157.56

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Solution

The fourth proportional to 47,739.17, 71,619.08 and 18,157.56 is: 27,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,739.17 : 71,619.08 = 18,157.56 : x
  2. Step 2: Convert to fraction form
    47,739.17/71,619.08 = 18,157.56/x
  3. Step 3: Cross multiply
    47,739.17x = 71,619.08 × 18,157.56
  4. Step 4: Simplify right side
    47,739.17x = 1,300,427,651.46
  5. Step 5: Solve for x
    x = 1,300,427,651.46/47,739.17
  6. Step 6: Final answer
    x = 27,240.27

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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.