Home / 56,824.78-78,427.43-34,186.65

Finding the Fourth Proportional to 56,824.78, 78,427.43 and 34,186.65

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Solution

The fourth proportional to 56,824.78, 78,427.43 and 34,186.65 is: 47,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,824.78 : 78,427.43 = 34,186.65 : x
  2. Step 2: Convert to fraction form
    56,824.78/78,427.43 = 34,186.65/x
  3. Step 3: Cross multiply
    56,824.78x = 78,427.43 × 34,186.65
  4. Step 4: Simplify right side
    56,824.78x = 2,681,171,185.28
  5. Step 5: Solve for x
    x = 2,681,171,185.28/56,824.78
  6. Step 6: Final answer
    x = 47,183.14

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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.