Home / 68,652.84-94,740.50-38,438.04

Finding the Fourth Proportional to 68,652.84, 94,740.50 and 38,438.04

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Solution

The fourth proportional to 68,652.84, 94,740.50 and 38,438.04 is: 53,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,652.84 : 94,740.50 = 38,438.04 : x
  2. Step 2: Convert to fraction form
    68,652.84/94,740.50 = 38,438.04/x
  3. Step 3: Cross multiply
    68,652.84x = 94,740.50 × 38,438.04
  4. Step 4: Simplify right side
    68,652.84x = 3,641,639,128.62
  5. Step 5: Solve for x
    x = 3,641,639,128.62/68,652.84
  6. Step 6: Final answer
    x = 53,044.26

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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.