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Finding the Fourth Proportional to 63,380.40, 87,464.40 and 35,085.36

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Solution

The fourth proportional to 63,380.40, 87,464.40 and 35,085.36 is: 48,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.40 : 87,464.40 = 35,085.36 : x
  2. Step 2: Convert to fraction form
    63,380.40/87,464.40 = 35,085.36/x
  3. Step 3: Cross multiply
    63,380.40x = 87,464.40 × 35,085.36
  4. Step 4: Simplify right side
    63,380.40x = 3,068,719,961.18
  5. Step 5: Solve for x
    x = 3,068,719,961.18/63,380.40
  6. Step 6: Final answer
    x = 48,417.49

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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.