Home / 53,104.23-79,670-15,662.79

Finding the Fourth Proportional to 53,104.23, 79,670 and 15,662.79

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Solution

The fourth proportional to 53,104.23, 79,670 and 15,662.79 is: 23,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,104.23 : 79,670 = 15,662.79 : x
  2. Step 2: Convert to fraction form
    53,104.23/79,670 = 15,662.79/x
  3. Step 3: Cross multiply
    53,104.23x = 79,670 × 15,662.79
  4. Step 4: Simplify right side
    53,104.23x = 1,247,854,479.30
  5. Step 5: Solve for x
    x = 1,247,854,479.30/53,104.23
  6. Step 6: Final answer
    x = 23,498.21

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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.