Home / 40,845.39-61,276.28-18,652.80

Finding the Fourth Proportional to 40,845.39, 61,276.28 and 18,652.80

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Solution

The fourth proportional to 40,845.39, 61,276.28 and 18,652.80 is: 27,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,845.39 : 61,276.28 = 18,652.80 : x
  2. Step 2: Convert to fraction form
    40,845.39/61,276.28 = 18,652.80/x
  3. Step 3: Cross multiply
    40,845.39x = 61,276.28 × 18,652.80
  4. Step 4: Simplify right side
    40,845.39x = 1,142,974,195.58
  5. Step 5: Solve for x
    x = 1,142,974,195.58/40,845.39
  6. Step 6: Final answer
    x = 27,982.94

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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.