Home / 53,824.84-80,737.64-18,764.40

Finding the Fourth Proportional to 53,824.84, 80,737.64 and 18,764.40

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Solution

The fourth proportional to 53,824.84, 80,737.64 and 18,764.40 is: 28,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824.84 : 80,737.64 = 18,764.40 : x
  2. Step 2: Convert to fraction form
    53,824.84/80,737.64 = 18,764.40/x
  3. Step 3: Cross multiply
    53,824.84x = 80,737.64 × 18,764.40
  4. Step 4: Simplify right side
    53,824.84x = 1,514,993,372.02
  5. Step 5: Solve for x
    x = 1,514,993,372.02/53,824.84
  6. Step 6: Final answer
    x = 28,146.73

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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.