Home / 43,530.80-65,304.40-31,019.79

Finding the Fourth Proportional to 43,530.80, 65,304.40 and 31,019.79

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Solution

The fourth proportional to 43,530.80, 65,304.40 and 31,019.79 is: 46,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.80 : 65,304.40 = 31,019.79 : x
  2. Step 2: Convert to fraction form
    43,530.80/65,304.40 = 31,019.79/x
  3. Step 3: Cross multiply
    43,530.80x = 65,304.40 × 31,019.79
  4. Step 4: Simplify right side
    43,530.80x = 2,025,728,696.53
  5. Step 5: Solve for x
    x = 2,025,728,696.53/43,530.80
  6. Step 6: Final answer
    x = 46,535.52

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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.