Home / 57,084.93-78,815.96-35,583.28

Finding the Fourth Proportional to 57,084.93, 78,815.96 and 35,583.28

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Solution

The fourth proportional to 57,084.93, 78,815.96 and 35,583.28 is: 49,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,084.93 : 78,815.96 = 35,583.28 : x
  2. Step 2: Convert to fraction form
    57,084.93/78,815.96 = 35,583.28/x
  3. Step 3: Cross multiply
    57,084.93x = 78,815.96 × 35,583.28
  4. Step 4: Simplify right side
    57,084.93x = 2,804,530,373.15
  5. Step 5: Solve for x
    x = 2,804,530,373.15/57,084.93
  6. Step 6: Final answer
    x = 49,129.08

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Why These Related Problems?

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