Home / 67,004.22-92,465.89-39,785.73

Finding the Fourth Proportional to 67,004.22, 92,465.89 and 39,785.73

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Solution

The fourth proportional to 67,004.22, 92,465.89 and 39,785.73 is: 54,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,004.22 : 92,465.89 = 39,785.73 : x
  2. Step 2: Convert to fraction form
    67,004.22/92,465.89 = 39,785.73/x
  3. Step 3: Cross multiply
    67,004.22x = 92,465.89 × 39,785.73
  4. Step 4: Simplify right side
    67,004.22x = 3,678,822,933.75
  5. Step 5: Solve for x
    x = 3,678,822,933.75/67,004.22
  6. Step 6: Final answer
    x = 54,904.35

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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.