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Finding the Fourth Proportional to 63,014.64, 86,907.24 and 37,859.28

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Solution

The fourth proportional to 63,014.64, 86,907.24 and 37,859.28 is: 52,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,014.64 : 86,907.24 = 37,859.28 : x
  2. Step 2: Convert to fraction form
    63,014.64/86,907.24 = 37,859.28/x
  3. Step 3: Cross multiply
    63,014.64x = 86,907.24 × 37,859.28
  4. Step 4: Simplify right side
    63,014.64x = 3,290,245,533.19
  5. Step 5: Solve for x
    x = 3,290,245,533.19/63,014.64
  6. Step 6: Final answer
    x = 52,213.99

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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.