Home / 43,653.80-65,377.02-31,143.08

Finding the Fourth Proportional to 43,653.80, 65,377.02 and 31,143.08

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Solution

The fourth proportional to 43,653.80, 65,377.02 and 31,143.08 is: 46,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,653.80 : 65,377.02 = 31,143.08 : x
  2. Step 2: Convert to fraction form
    43,653.80/65,377.02 = 31,143.08/x
  3. Step 3: Cross multiply
    43,653.80x = 65,377.02 × 31,143.08
  4. Step 4: Simplify right side
    43,653.80x = 2,036,041,764.02
  5. Step 5: Solve for x
    x = 2,036,041,764.02/43,653.80
  6. Step 6: Final answer
    x = 46,640.65

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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.