Home / 31,418.30-47,127.77-9,232.07

Finding the Fourth Proportional to 31,418.30, 47,127.77 and 9,232.07

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Solution

The fourth proportional to 31,418.30, 47,127.77 and 9,232.07 is: 13,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.30 : 47,127.77 = 9,232.07 : x
  2. Step 2: Convert to fraction form
    31,418.30/47,127.77 = 9,232.07/x
  3. Step 3: Cross multiply
    31,418.30x = 47,127.77 × 9,232.07
  4. Step 4: Simplify right side
    31,418.30x = 435,086,589.78
  5. Step 5: Solve for x
    x = 435,086,589.78/31,418.30
  6. Step 6: Final answer
    x = 13,848.19

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1.5x scale

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.