Home / 63,290.37-87,261.32-40,589.31

Finding the Fourth Proportional to 63,290.37, 87,261.32 and 40,589.31

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Solution

The fourth proportional to 63,290.37, 87,261.32 and 40,589.31 is: 55,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,290.37 : 87,261.32 = 40,589.31 : x
  2. Step 2: Convert to fraction form
    63,290.37/87,261.32 = 40,589.31/x
  3. Step 3: Cross multiply
    63,290.37x = 87,261.32 × 40,589.31
  4. Step 4: Simplify right side
    63,290.37x = 3,541,876,869.96
  5. Step 5: Solve for x
    x = 3,541,876,869.96/63,290.37
  6. Step 6: Final answer
    x = 55,962.33

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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.