Home / 52,415.39-78,557.43-41,278.08

Finding the Fourth Proportional to 52,415.39, 78,557.43 and 41,278.08

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Solution

The fourth proportional to 52,415.39, 78,557.43 and 41,278.08 is: 61,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.39 : 78,557.43 = 41,278.08 : x
  2. Step 2: Convert to fraction form
    52,415.39/78,557.43 = 41,278.08/x
  3. Step 3: Cross multiply
    52,415.39x = 78,557.43 × 41,278.08
  4. Step 4: Simplify right side
    52,415.39x = 3,242,699,880.13
  5. Step 5: Solve for x
    x = 3,242,699,880.13/52,415.39
  6. Step 6: Final answer
    x = 61,865.42

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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.