Home / 31,765.23-47,635.70-10,699.61

Finding the Fourth Proportional to 31,765.23, 47,635.70 and 10,699.61

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Solution

The fourth proportional to 31,765.23, 47,635.70 and 10,699.61 is: 16,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.23 : 47,635.70 = 10,699.61 : x
  2. Step 2: Convert to fraction form
    31,765.23/47,635.70 = 10,699.61/x
  3. Step 3: Cross multiply
    31,765.23x = 47,635.70 × 10,699.61
  4. Step 4: Simplify right side
    31,765.23x = 509,683,120.40
  5. Step 5: Solve for x
    x = 509,683,120.40/31,765.23
  6. Step 6: Final answer
    x = 16,045.31

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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.