Home / 53,578.32-80,358.24-14,135.76

Finding the Fourth Proportional to 53,578.32, 80,358.24 and 14,135.76

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Solution

The fourth proportional to 53,578.32, 80,358.24 and 14,135.76 is: 21,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,578.32 : 80,358.24 = 14,135.76 : x
  2. Step 2: Convert to fraction form
    53,578.32/80,358.24 = 14,135.76/x
  3. Step 3: Cross multiply
    53,578.32x = 80,358.24 × 14,135.76
  4. Step 4: Simplify right side
    53,578.32x = 1,135,924,794.66
  5. Step 5: Solve for x
    x = 1,135,924,794.66/53,578.32
  6. Step 6: Final answer
    x = 21,201.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.