Home / 67,651.20-93,358.98-39,357.90

Finding the Fourth Proportional to 67,651.20, 93,358.98 and 39,357.90

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Solution

The fourth proportional to 67,651.20, 93,358.98 and 39,357.90 is: 54,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,651.20 : 93,358.98 = 39,357.90 : x
  2. Step 2: Convert to fraction form
    67,651.20/93,358.98 = 39,357.90/x
  3. Step 3: Cross multiply
    67,651.20x = 93,358.98 × 39,357.90
  4. Step 4: Simplify right side
    67,651.20x = 3,674,413,398.94
  5. Step 5: Solve for x
    x = 3,674,413,398.94/67,651.20
  6. Step 6: Final answer
    x = 54,314.09

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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.