Home / 49,885.37-68,839.05-28,372.21

Finding the Fourth Proportional to 49,885.37, 68,839.05 and 28,372.21

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Solution

The fourth proportional to 49,885.37, 68,839.05 and 28,372.21 is: 39,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,885.37 : 68,839.05 = 28,372.21 : x
  2. Step 2: Convert to fraction form
    49,885.37/68,839.05 = 28,372.21/x
  3. Step 3: Cross multiply
    49,885.37x = 68,839.05 × 28,372.21
  4. Step 4: Simplify right side
    49,885.37x = 1,953,115,982.80
  5. Step 5: Solve for x
    x = 1,953,115,982.80/49,885.37
  6. Step 6: Final answer
    x = 39,152.08

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1.5x scale

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.