Home / 31,756.10-47,637.33-8,382.53

Finding the Fourth Proportional to 31,756.10, 47,637.33 and 8,382.53

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Solution

The fourth proportional to 31,756.10, 47,637.33 and 8,382.53 is: 12,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,756.10 : 47,637.33 = 8,382.53 : x
  2. Step 2: Convert to fraction form
    31,756.10/47,637.33 = 8,382.53/x
  3. Step 3: Cross multiply
    31,756.10x = 47,637.33 × 8,382.53
  4. Step 4: Simplify right side
    31,756.10x = 399,321,109.66
  5. Step 5: Solve for x
    x = 399,321,109.66/31,756.10
  6. Step 6: Final answer
    x = 12,574.63

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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.