Home / 47,486.50-71,206.05-15,885.56

Finding the Fourth Proportional to 47,486.50, 71,206.05 and 15,885.56

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Solution

The fourth proportional to 47,486.50, 71,206.05 and 15,885.56 is: 23,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,486.50 : 71,206.05 = 15,885.56 : x
  2. Step 2: Convert to fraction form
    47,486.50/71,206.05 = 15,885.56/x
  3. Step 3: Cross multiply
    47,486.50x = 71,206.05 × 15,885.56
  4. Step 4: Simplify right side
    47,486.50x = 1,131,147,979.64
  5. Step 5: Solve for x
    x = 1,131,147,979.64/47,486.50
  6. Step 6: Final answer
    x = 23,820.41

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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.