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Finding the Fourth Proportional to 53,604.40, 80,411.40 and 22,433.20

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Solution

The fourth proportional to 53,604.40, 80,411.40 and 22,433.20 is: 33,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,604.40 : 80,411.40 = 22,433.20 : x
  2. Step 2: Convert to fraction form
    53,604.40/80,411.40 = 22,433.20/x
  3. Step 3: Cross multiply
    53,604.40x = 80,411.40 × 22,433.20
  4. Step 4: Simplify right side
    53,604.40x = 1,803,885,018.48
  5. Step 5: Solve for x
    x = 1,803,885,018.48/53,604.40
  6. Step 6: Final answer
    x = 33,651.81

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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.