Home / 63,440.75-87,508.64-40,809.26

Finding the Fourth Proportional to 63,440.75, 87,508.64 and 40,809.26

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Solution

The fourth proportional to 63,440.75, 87,508.64 and 40,809.26 is: 56,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,440.75 : 87,508.64 = 40,809.26 : x
  2. Step 2: Convert to fraction form
    63,440.75/87,508.64 = 40,809.26/x
  3. Step 3: Cross multiply
    63,440.75x = 87,508.64 × 40,809.26
  4. Step 4: Simplify right side
    63,440.75x = 3,571,162,200.42
  5. Step 5: Solve for x
    x = 3,571,162,200.42/63,440.75
  6. Step 6: Final answer
    x = 56,291.30

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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.