Home / 52,213.36-78,221.40-40,469.08

Finding the Fourth Proportional to 52,213.36, 78,221.40 and 40,469.08

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Solution

The fourth proportional to 52,213.36, 78,221.40 and 40,469.08 is: 60,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.36 : 78,221.40 = 40,469.08 : x
  2. Step 2: Convert to fraction form
    52,213.36/78,221.40 = 40,469.08/x
  3. Step 3: Cross multiply
    52,213.36x = 78,221.40 × 40,469.08
  4. Step 4: Simplify right side
    52,213.36x = 3,165,548,094.31
  5. Step 5: Solve for x
    x = 3,165,548,094.31/52,213.36
  6. Step 6: Final answer
    x = 60,627.17

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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.