Home / 31,121.12-46,684.38-13,352.60

Finding the Fourth Proportional to 31,121.12, 46,684.38 and 13,352.60

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Solution

The fourth proportional to 31,121.12, 46,684.38 and 13,352.60 is: 20,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121.12 : 46,684.38 = 13,352.60 : x
  2. Step 2: Convert to fraction form
    31,121.12/46,684.38 = 13,352.60/x
  3. Step 3: Cross multiply
    31,121.12x = 46,684.38 × 13,352.60
  4. Step 4: Simplify right side
    31,121.12x = 623,357,852.39
  5. Step 5: Solve for x
    x = 623,357,852.39/31,121.12
  6. Step 6: Final answer
    x = 20,030.06

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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.