Home / 31,669.12-47,524.65-16,888.69

Finding the Fourth Proportional to 31,669.12, 47,524.65 and 16,888.69

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Solution

The fourth proportional to 31,669.12, 47,524.65 and 16,888.69 is: 25,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.12 : 47,524.65 = 16,888.69 : x
  2. Step 2: Convert to fraction form
    31,669.12/47,524.65 = 16,888.69/x
  3. Step 3: Cross multiply
    31,669.12x = 47,524.65 × 16,888.69
  4. Step 4: Simplify right side
    31,669.12x = 802,629,081.21
  5. Step 5: Solve for x
    x = 802,629,081.21/31,669.12
  6. Step 6: Final answer
    x = 25,344.22

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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.