Home / 53,115.14-79,677.58-13,672.38

Finding the Fourth Proportional to 53,115.14, 79,677.58 and 13,672.38

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Solution

The fourth proportional to 53,115.14, 79,677.58 and 13,672.38 is: 20,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.14 : 79,677.58 = 13,672.38 : x
  2. Step 2: Convert to fraction form
    53,115.14/79,677.58 = 13,672.38/x
  3. Step 3: Cross multiply
    53,115.14x = 79,677.58 × 13,672.38
  4. Step 4: Simplify right side
    53,115.14x = 1,089,382,151.24
  5. Step 5: Solve for x
    x = 1,089,382,151.24/53,115.14
  6. Step 6: Final answer
    x = 20,509.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.