Home / 63,447.12-87,517.44-40,815.60

Finding the Fourth Proportional to 63,447.12, 87,517.44 and 40,815.60

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Solution

The fourth proportional to 63,447.12, 87,517.44 and 40,815.60 is: 56,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,447.12 : 87,517.44 = 40,815.60 : x
  2. Step 2: Convert to fraction form
    63,447.12/87,517.44 = 40,815.60/x
  3. Step 3: Cross multiply
    63,447.12x = 87,517.44 × 40,815.60
  4. Step 4: Simplify right side
    63,447.12x = 3,572,076,824.06
  5. Step 5: Solve for x
    x = 3,572,076,824.06/63,447.12
  6. Step 6: Final answer
    x = 56,300.06

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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.