Home / 31,755.54-47,631.85-13,030.98

Finding the Fourth Proportional to 31,755.54, 47,631.85 and 13,030.98

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Solution

The fourth proportional to 31,755.54, 47,631.85 and 13,030.98 is: 19,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.54 : 47,631.85 = 13,030.98 : x
  2. Step 2: Convert to fraction form
    31,755.54/47,631.85 = 13,030.98/x
  3. Step 3: Cross multiply
    31,755.54x = 47,631.85 × 13,030.98
  4. Step 4: Simplify right side
    31,755.54x = 620,689,473.52
  5. Step 5: Solve for x
    x = 620,689,473.52/31,755.54
  6. Step 6: Final answer
    x = 19,545.86

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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.