Home / 47,769.80-71,655.40-18,189.27

Finding the Fourth Proportional to 47,769.80, 71,655.40 and 18,189.27

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Solution

The fourth proportional to 47,769.80, 71,655.40 and 18,189.27 is: 27,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769.80 : 71,655.40 = 18,189.27 : x
  2. Step 2: Convert to fraction form
    47,769.80/71,655.40 = 18,189.27/x
  3. Step 3: Cross multiply
    47,769.80x = 71,655.40 × 18,189.27
  4. Step 4: Simplify right side
    47,769.80x = 1,303,359,440.29
  5. Step 5: Solve for x
    x = 1,303,359,440.29/47,769.80
  6. Step 6: Final answer
    x = 27,284.17

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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.