Home / 53,236.01-79,909.40-39,211.88

Finding the Fourth Proportional to 53,236.01, 79,909.40 and 39,211.88

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Solution

The fourth proportional to 53,236.01, 79,909.40 and 39,211.88 is: 58,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236.01 : 79,909.40 = 39,211.88 : x
  2. Step 2: Convert to fraction form
    53,236.01/79,909.40 = 39,211.88/x
  3. Step 3: Cross multiply
    53,236.01x = 79,909.40 × 39,211.88
  4. Step 4: Simplify right side
    53,236.01x = 3,133,397,208.07
  5. Step 5: Solve for x
    x = 3,133,397,208.07/53,236.01
  6. Step 6: Final answer
    x = 58,858.61

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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.