Home / 50,717.02-69,989.10-28,361.02

Finding the Fourth Proportional to 50,717.02, 69,989.10 and 28,361.02

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Solution

The fourth proportional to 50,717.02, 69,989.10 and 28,361.02 is: 39,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,717.02 : 69,989.10 = 28,361.02 : x
  2. Step 2: Convert to fraction form
    50,717.02/69,989.10 = 28,361.02/x
  3. Step 3: Cross multiply
    50,717.02x = 69,989.10 × 28,361.02
  4. Step 4: Simplify right side
    50,717.02x = 1,984,962,264.88
  5. Step 5: Solve for x
    x = 1,984,962,264.88/50,717.02
  6. Step 6: Final answer
    x = 39,137.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.