Home / 31,699.13-47,565.09-16,116.75

Finding the Fourth Proportional to 31,699.13, 47,565.09 and 16,116.75

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Solution

The fourth proportional to 31,699.13, 47,565.09 and 16,116.75 is: 24,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699.13 : 47,565.09 = 16,116.75 : x
  2. Step 2: Convert to fraction form
    31,699.13/47,565.09 = 16,116.75/x
  3. Step 3: Cross multiply
    31,699.13x = 47,565.09 × 16,116.75
  4. Step 4: Simplify right side
    31,699.13x = 766,594,664.26
  5. Step 5: Solve for x
    x = 766,594,664.26/31,699.13
  6. Step 6: Final answer
    x = 24,183.46

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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.