Home / 31,467.16-47,189.50-10,403.31

Finding the Fourth Proportional to 31,467.16, 47,189.50 and 10,403.31

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Solution

The fourth proportional to 31,467.16, 47,189.50 and 10,403.31 is: 15,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.16 : 47,189.50 = 10,403.31 : x
  2. Step 2: Convert to fraction form
    31,467.16/47,189.50 = 10,403.31/x
  3. Step 3: Cross multiply
    31,467.16x = 47,189.50 × 10,403.31
  4. Step 4: Simplify right side
    31,467.16x = 490,926,997.25
  5. Step 5: Solve for x
    x = 490,926,997.25/31,467.16
  6. Step 6: Final answer
    x = 15,601.25

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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.