Home / 61,920.68-85,455.86-35,067.92

Finding the Fourth Proportional to 61,920.68, 85,455.86 and 35,067.92

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Solution

The fourth proportional to 61,920.68, 85,455.86 and 35,067.92 is: 48,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,920.68 : 85,455.86 = 35,067.92 : x
  2. Step 2: Convert to fraction form
    61,920.68/85,455.86 = 35,067.92/x
  3. Step 3: Cross multiply
    61,920.68x = 85,455.86 × 35,067.92
  4. Step 4: Simplify right side
    61,920.68x = 2,996,759,262.01
  5. Step 5: Solve for x
    x = 2,996,759,262.01/61,920.68
  6. Step 6: Final answer
    x = 48,396.74

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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.