Home / 68,028.48-93,871.84-39,343.86

Finding the Fourth Proportional to 68,028.48, 93,871.84 and 39,343.86

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Solution

The fourth proportional to 68,028.48, 93,871.84 and 39,343.86 is: 54,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,028.48 : 93,871.84 = 39,343.86 : x
  2. Step 2: Convert to fraction form
    68,028.48/93,871.84 = 39,343.86/x
  3. Step 3: Cross multiply
    68,028.48x = 93,871.84 × 39,343.86
  4. Step 4: Simplify right side
    68,028.48x = 3,693,280,530.90
  5. Step 5: Solve for x
    x = 3,693,280,530.90/68,028.48
  6. Step 6: Final answer
    x = 54,290.21

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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.