Home / 31,764.31-47,645.10-10,702.96

Finding the Fourth Proportional to 31,764.31, 47,645.10 and 10,702.96

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Solution

The fourth proportional to 31,764.31, 47,645.10 and 10,702.96 is: 16,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.31 : 47,645.10 = 10,702.96 : x
  2. Step 2: Convert to fraction form
    31,764.31/47,645.10 = 10,702.96/x
  3. Step 3: Cross multiply
    31,764.31x = 47,645.10 × 10,702.96
  4. Step 4: Simplify right side
    31,764.31x = 509,943,440.25
  5. Step 5: Solve for x
    x = 509,943,440.25/31,764.31
  6. Step 6: Final answer
    x = 16,053.98

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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.