Home / 51,826.86-71,521.58-28,857.00

Finding the Fourth Proportional to 51,826.86, 71,521.58 and 28,857.00

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Solution

The fourth proportional to 51,826.86, 71,521.58 and 28,857.00 is: 39,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,826.86 : 71,521.58 = 28,857.00 : x
  2. Step 2: Convert to fraction form
    51,826.86/71,521.58 = 28,857.00/x
  3. Step 3: Cross multiply
    51,826.86x = 71,521.58 × 28,857.00
  4. Step 4: Simplify right side
    51,826.86x = 2,063,898,524.12
  5. Step 5: Solve for x
    x = 2,063,898,524.12/51,826.86
  6. Step 6: Final answer
    x = 39,822.95

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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.