Home / 51,585.21-71,200.24-31,453.18

Finding the Fourth Proportional to 51,585.21, 71,200.24 and 31,453.18

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Solution

The fourth proportional to 51,585.21, 71,200.24 and 31,453.18 is: 43,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585.21 : 71,200.24 = 31,453.18 : x
  2. Step 2: Convert to fraction form
    51,585.21/71,200.24 = 31,453.18/x
  3. Step 3: Cross multiply
    51,585.21x = 71,200.24 × 31,453.18
  4. Step 4: Simplify right side
    51,585.21x = 2,239,473,708.13
  5. Step 5: Solve for x
    x = 2,239,473,708.13/51,585.21
  6. Step 6: Final answer
    x = 43,413.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.