Home / 65,467.27-90,340.81-38,610.91

Finding the Fourth Proportional to 65,467.27, 90,340.81 and 38,610.91

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Solution

The fourth proportional to 65,467.27, 90,340.81 and 38,610.91 is: 53,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,467.27 : 90,340.81 = 38,610.91 : x
  2. Step 2: Convert to fraction form
    65,467.27/90,340.81 = 38,610.91/x
  3. Step 3: Cross multiply
    65,467.27x = 90,340.81 × 38,610.91
  4. Step 4: Simplify right side
    65,467.27x = 3,488,140,884.24
  5. Step 5: Solve for x
    x = 3,488,140,884.24/65,467.27
  6. Step 6: Final answer
    x = 53,280.68

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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.