Home / 47,731.07-71,633.46-18,157.37

Finding the Fourth Proportional to 47,731.07, 71,633.46 and 18,157.37

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Solution

The fourth proportional to 47,731.07, 71,633.46 and 18,157.37 is: 27,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.07 : 71,633.46 = 18,157.37 : x
  2. Step 2: Convert to fraction form
    47,731.07/71,633.46 = 18,157.37/x
  3. Step 3: Cross multiply
    47,731.07x = 71,633.46 × 18,157.37
  4. Step 4: Simplify right side
    47,731.07x = 1,300,674,947.52
  5. Step 5: Solve for x
    x = 1,300,674,947.52/47,731.07
  6. Step 6: Final answer
    x = 27,250.07

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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.