Home / 63,181.04-87,162.36-40,479.44

Finding the Fourth Proportional to 63,181.04, 87,162.36 and 40,479.44

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Solution

The fourth proportional to 63,181.04, 87,162.36 and 40,479.44 is: 55,844.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,181.04 : 87,162.36 = 40,479.44 : x
  2. Step 2: Convert to fraction form
    63,181.04/87,162.36 = 40,479.44/x
  3. Step 3: Cross multiply
    63,181.04x = 87,162.36 × 40,479.44
  4. Step 4: Simplify right side
    63,181.04x = 3,528,283,521.88
  5. Step 5: Solve for x
    x = 3,528,283,521.88/63,181.04
  6. Step 6: Final answer
    x = 55,844.02

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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.