Home / 49,689.18-74,361.78-30,706.02

Finding the Fourth Proportional to 49,689.18, 74,361.78 and 30,706.02

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Solution

The fourth proportional to 49,689.18, 74,361.78 and 30,706.02 is: 45,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,689.18 : 74,361.78 = 30,706.02 : x
  2. Step 2: Convert to fraction form
    49,689.18/74,361.78 = 30,706.02/x
  3. Step 3: Cross multiply
    49,689.18x = 74,361.78 × 30,706.02
  4. Step 4: Simplify right side
    49,689.18x = 2,283,354,303.92
  5. Step 5: Solve for x
    x = 2,283,354,303.92/49,689.18
  6. Step 6: Final answer
    x = 45,952.75

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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.