Home / 31,632.09-47,456.37-9,445.47

Finding the Fourth Proportional to 31,632.09, 47,456.37 and 9,445.47

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Solution

The fourth proportional to 31,632.09, 47,456.37 and 9,445.47 is: 14,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,632.09 : 47,456.37 = 9,445.47 : x
  2. Step 2: Convert to fraction form
    31,632.09/47,456.37 = 9,445.47/x
  3. Step 3: Cross multiply
    31,632.09x = 47,456.37 × 9,445.47
  4. Step 4: Simplify right side
    31,632.09x = 448,247,719.14
  5. Step 5: Solve for x
    x = 448,247,719.14/31,632.09
  6. Step 6: Final answer
    x = 14,170.66

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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.