Home / 31,803.65-47,705.48-10,743.75

Finding the Fourth Proportional to 31,803.65, 47,705.48 and 10,743.75

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Solution

The fourth proportional to 31,803.65, 47,705.48 and 10,743.75 is: 16,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,803.65 : 47,705.48 = 10,743.75 : x
  2. Step 2: Convert to fraction form
    31,803.65/47,705.48 = 10,743.75/x
  3. Step 3: Cross multiply
    31,803.65x = 47,705.48 × 10,743.75
  4. Step 4: Simplify right side
    31,803.65x = 512,535,697.03
  5. Step 5: Solve for x
    x = 512,535,697.03/31,803.65
  6. Step 6: Final answer
    x = 16,115.63

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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.