Home / 31,476.08-47,232.36-11,753.90

Finding the Fourth Proportional to 31,476.08, 47,232.36 and 11,753.90

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Solution

The fourth proportional to 31,476.08, 47,232.36 and 11,753.90 is: 17,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,476.08 : 47,232.36 = 11,753.90 : x
  2. Step 2: Convert to fraction form
    31,476.08/47,232.36 = 11,753.90/x
  3. Step 3: Cross multiply
    31,476.08x = 47,232.36 × 11,753.90
  4. Step 4: Simplify right side
    31,476.08x = 555,164,436.20
  5. Step 5: Solve for x
    x = 555,164,436.20/31,476.08
  6. Step 6: Final answer
    x = 17,637.66

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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.