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Finding the Fourth Proportional to 49,124.40, 73,715.40 and 17,962.80

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Solution

The fourth proportional to 49,124.40, 73,715.40 and 17,962.80 is: 26,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,124.40 : 73,715.40 = 17,962.80 : x
  2. Step 2: Convert to fraction form
    49,124.40/73,715.40 = 17,962.80/x
  3. Step 3: Cross multiply
    49,124.40x = 73,715.40 × 17,962.80
  4. Step 4: Simplify right side
    49,124.40x = 1,324,134,987.12
  5. Step 5: Solve for x
    x = 1,324,134,987.12/49,124.40
  6. Step 6: Final answer
    x = 26,954.73

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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.