Home / 40,794.40-61,321.20-38,461.60

Finding the Fourth Proportional to 40,794.40, 61,321.20 and 38,461.60

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Solution

The fourth proportional to 40,794.40, 61,321.20 and 38,461.60 is: 57,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,794.40 : 61,321.20 = 38,461.60 : x
  2. Step 2: Convert to fraction form
    40,794.40/61,321.20 = 38,461.60/x
  3. Step 3: Cross multiply
    40,794.40x = 61,321.20 × 38,461.60
  4. Step 4: Simplify right side
    40,794.40x = 2,358,511,465.92
  5. Step 5: Solve for x
    x = 2,358,511,465.92/40,794.40
  6. Step 6: Final answer
    x = 57,814.59

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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.