Home / 50,382.06-75,506.94-20,783.58

Finding the Fourth Proportional to 50,382.06, 75,506.94 and 20,783.58

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Solution

The fourth proportional to 50,382.06, 75,506.94 and 20,783.58 is: 31,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,382.06 : 75,506.94 = 20,783.58 : x
  2. Step 2: Convert to fraction form
    50,382.06/75,506.94 = 20,783.58/x
  3. Step 3: Cross multiply
    50,382.06x = 75,506.94 × 20,783.58
  4. Step 4: Simplify right side
    50,382.06x = 1,569,304,528.05
  5. Step 5: Solve for x
    x = 1,569,304,528.05/50,382.06
  6. Step 6: Final answer
    x = 31,148.08

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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.