Home / 57,554.37-79,437.28-38,680.56

Finding the Fourth Proportional to 57,554.37, 79,437.28 and 38,680.56

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Solution

The fourth proportional to 57,554.37, 79,437.28 and 38,680.56 is: 53,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,554.37 : 79,437.28 = 38,680.56 : x
  2. Step 2: Convert to fraction form
    57,554.37/79,437.28 = 38,680.56/x
  3. Step 3: Cross multiply
    57,554.37x = 79,437.28 × 38,680.56
  4. Step 4: Simplify right side
    57,554.37x = 3,072,678,475.28
  5. Step 5: Solve for x
    x = 3,072,678,475.28/57,554.37
  6. Step 6: Final answer
    x = 53,387.41

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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.