Home / 47,769.27-71,653.80-12,708.93

Finding the Fourth Proportional to 47,769.27, 71,653.80 and 12,708.93

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Solution

The fourth proportional to 47,769.27, 71,653.80 and 12,708.93 is: 19,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769.27 : 71,653.80 = 12,708.93 : x
  2. Step 2: Convert to fraction form
    47,769.27/71,653.80 = 12,708.93/x
  3. Step 3: Cross multiply
    47,769.27x = 71,653.80 × 12,708.93
  4. Step 4: Simplify right side
    47,769.27x = 910,642,770.17
  5. Step 5: Solve for x
    x = 910,642,770.17/47,769.27
  6. Step 6: Final answer
    x = 19,063.36

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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.