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Finding the Fourth Proportional to 67,596.64, 93,290.37 and 38,917.33

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Solution

The fourth proportional to 67,596.64, 93,290.37 and 38,917.33 is: 53,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,596.64 : 93,290.37 = 38,917.33 : x
  2. Step 2: Convert to fraction form
    67,596.64/93,290.37 = 38,917.33/x
  3. Step 3: Cross multiply
    67,596.64x = 93,290.37 × 38,917.33
  4. Step 4: Simplify right side
    67,596.64x = 3,630,612,115.11
  5. Step 5: Solve for x
    x = 3,630,612,115.11/67,596.64
  6. Step 6: Final answer
    x = 53,709.95

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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.