Home / 49,568.16-74,361.77-19,988.99

Finding the Fourth Proportional to 49,568.16, 74,361.77 and 19,988.99

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Solution

The fourth proportional to 49,568.16, 74,361.77 and 19,988.99 is: 29,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,568.16 : 74,361.77 = 19,988.99 : x
  2. Step 2: Convert to fraction form
    49,568.16/74,361.77 = 19,988.99/x
  3. Step 3: Cross multiply
    49,568.16x = 74,361.77 × 19,988.99
  4. Step 4: Simplify right side
    49,568.16x = 1,486,416,558.97
  5. Step 5: Solve for x
    x = 1,486,416,558.97/49,568.16
  6. Step 6: Final answer
    x = 29,987.32

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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.