Home / 49,919.04-74,878.82-20,337.18

Finding the Fourth Proportional to 49,919.04, 74,878.82 and 20,337.18

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Solution

The fourth proportional to 49,919.04, 74,878.82 and 20,337.18 is: 30,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919.04 : 74,878.82 = 20,337.18 : x
  2. Step 2: Convert to fraction form
    49,919.04/74,878.82 = 20,337.18/x
  3. Step 3: Cross multiply
    49,919.04x = 74,878.82 × 20,337.18
  4. Step 4: Simplify right side
    49,919.04x = 1,522,824,040.53
  5. Step 5: Solve for x
    x = 1,522,824,040.53/49,919.04
  6. Step 6: Final answer
    x = 30,505.88

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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.