Home / 31,594.46-47,420.35-16,815.82

Finding the Fourth Proportional to 31,594.46, 47,420.35 and 16,815.82

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Solution

The fourth proportional to 31,594.46, 47,420.35 and 16,815.82 is: 25,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,594.46 : 47,420.35 = 16,815.82 : x
  2. Step 2: Convert to fraction form
    31,594.46/47,420.35 = 16,815.82/x
  3. Step 3: Cross multiply
    31,594.46x = 47,420.35 × 16,815.82
  4. Step 4: Simplify right side
    31,594.46x = 797,412,069.94
  5. Step 5: Solve for x
    x = 797,412,069.94/31,594.46
  6. Step 6: Final answer
    x = 25,238.98

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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.