Home / 57,554.05-79,436.85-38,680.24

Finding the Fourth Proportional to 57,554.05, 79,436.85 and 38,680.24

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Solution

The fourth proportional to 57,554.05, 79,436.85 and 38,680.24 is: 53,386.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,554.05 : 79,436.85 = 38,680.24 : x
  2. Step 2: Convert to fraction form
    57,554.05/79,436.85 = 38,680.24/x
  3. Step 3: Cross multiply
    57,554.05x = 79,436.85 × 38,680.24
  4. Step 4: Simplify right side
    57,554.05x = 3,072,636,422.84
  5. Step 5: Solve for x
    x = 3,072,636,422.84/57,554.05
  6. Step 6: Final answer
    x = 53,386.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.