Home / 53,147.34-79,697.12-15,694.36

Finding the Fourth Proportional to 53,147.34, 79,697.12 and 15,694.36

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Solution

The fourth proportional to 53,147.34, 79,697.12 and 15,694.36 is: 23,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.34 : 79,697.12 = 15,694.36 : x
  2. Step 2: Convert to fraction form
    53,147.34/79,697.12 = 15,694.36/x
  3. Step 3: Cross multiply
    53,147.34x = 79,697.12 × 15,694.36
  4. Step 4: Simplify right side
    53,147.34x = 1,250,795,014.53
  5. Step 5: Solve for x
    x = 1,250,795,014.53/53,147.34
  6. Step 6: Final answer
    x = 23,534.48

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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.