Home / 67,650.22-93,367.21-38,964.37

Finding the Fourth Proportional to 67,650.22, 93,367.21 and 38,964.37

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Solution

The fourth proportional to 67,650.22, 93,367.21 and 38,964.37 is: 53,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,650.22 : 93,367.21 = 38,964.37 : x
  2. Step 2: Convert to fraction form
    67,650.22/93,367.21 = 38,964.37/x
  3. Step 3: Cross multiply
    67,650.22x = 93,367.21 × 38,964.37
  4. Step 4: Simplify right side
    67,650.22x = 3,637,994,516.31
  5. Step 5: Solve for x
    x = 3,637,994,516.31/67,650.22
  6. Step 6: Final answer
    x = 53,776.54

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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.