Home / 40,788.36-56,281.32-22,880.88

Finding the Fourth Proportional to 40,788.36, 56,281.32 and 22,880.88

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Solution

The fourth proportional to 40,788.36, 56,281.32 and 22,880.88 is: 31,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788.36 : 56,281.32 = 22,880.88 : x
  2. Step 2: Convert to fraction form
    40,788.36/56,281.32 = 22,880.88/x
  3. Step 3: Cross multiply
    40,788.36x = 56,281.32 × 22,880.88
  4. Step 4: Simplify right side
    40,788.36x = 1,287,766,129.16
  5. Step 5: Solve for x
    x = 1,287,766,129.16/40,788.36
  6. Step 6: Final answer
    x = 31,571.90

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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.