Home / 31,177.20-46,765.80-11,456.40

Finding the Fourth Proportional to 31,177.20, 46,765.80 and 11,456.40

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Solution

The fourth proportional to 31,177.20, 46,765.80 and 11,456.40 is: 17,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.20 : 46,765.80 = 11,456.40 : x
  2. Step 2: Convert to fraction form
    31,177.20/46,765.80 = 11,456.40/x
  3. Step 3: Cross multiply
    31,177.20x = 46,765.80 × 11,456.40
  4. Step 4: Simplify right side
    31,177.20x = 535,767,711.12
  5. Step 5: Solve for x
    x = 535,767,711.12/31,177.20
  6. Step 6: Final answer
    x = 17,184.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.