Home / 51,352.08-77,028.40-15,812.96

Finding the Fourth Proportional to 51,352.08, 77,028.40 and 15,812.96

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Solution

The fourth proportional to 51,352.08, 77,028.40 and 15,812.96 is: 23,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,352.08 : 77,028.40 = 15,812.96 : x
  2. Step 2: Convert to fraction form
    51,352.08/77,028.40 = 15,812.96/x
  3. Step 3: Cross multiply
    51,352.08x = 77,028.40 × 15,812.96
  4. Step 4: Simplify right side
    51,352.08x = 1,218,047,008.06
  5. Step 5: Solve for x
    x = 1,218,047,008.06/51,352.08
  6. Step 6: Final answer
    x = 23,719.53

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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.