Home / 53,932.90-80,935.80-18,872.86

Finding the Fourth Proportional to 53,932.90, 80,935.80 and 18,872.86

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Solution

The fourth proportional to 53,932.90, 80,935.80 and 18,872.86 is: 28,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,932.90 : 80,935.80 = 18,872.86 : x
  2. Step 2: Convert to fraction form
    53,932.90/80,935.80 = 18,872.86/x
  3. Step 3: Cross multiply
    53,932.90x = 80,935.80 × 18,872.86
  4. Step 4: Simplify right side
    53,932.90x = 1,527,490,022.39
  5. Step 5: Solve for x
    x = 1,527,490,022.39/53,932.90
  6. Step 6: Final answer
    x = 28,322.05

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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.