Home / 67,665.44-93,355.36-39,347.84

Finding the Fourth Proportional to 67,665.44, 93,355.36 and 39,347.84

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Solution

The fourth proportional to 67,665.44, 93,355.36 and 39,347.84 is: 54,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,665.44 : 93,355.36 = 39,347.84 : x
  2. Step 2: Convert to fraction form
    67,665.44/93,355.36 = 39,347.84/x
  3. Step 3: Cross multiply
    67,665.44x = 93,355.36 × 39,347.84
  4. Step 4: Simplify right side
    67,665.44x = 3,673,331,768.42
  5. Step 5: Solve for x
    x = 3,673,331,768.42/67,665.44
  6. Step 6: Final answer
    x = 54,286.68

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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.