Home / 40,418.14-60,589.71-20,653.12

Finding the Fourth Proportional to 40,418.14, 60,589.71 and 20,653.12

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Solution

The fourth proportional to 40,418.14, 60,589.71 and 20,653.12 is: 30,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.14 : 60,589.71 = 20,653.12 : x
  2. Step 2: Convert to fraction form
    40,418.14/60,589.71 = 20,653.12/x
  3. Step 3: Cross multiply
    40,418.14x = 60,589.71 × 20,653.12
  4. Step 4: Simplify right side
    40,418.14x = 1,251,366,551.40
  5. Step 5: Solve for x
    x = 1,251,366,551.40/40,418.14
  6. Step 6: Final answer
    x = 30,960.52

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1.5x scale

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.