Home / 67,564.38-93,250.44-39,286.50

Finding the Fourth Proportional to 67,564.38, 93,250.44 and 39,286.50

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Solution

The fourth proportional to 67,564.38, 93,250.44 and 39,286.50 is: 54,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,564.38 : 93,250.44 = 39,286.50 : x
  2. Step 2: Convert to fraction form
    67,564.38/93,250.44 = 39,286.50/x
  3. Step 3: Cross multiply
    67,564.38x = 93,250.44 × 39,286.50
  4. Step 4: Simplify right side
    67,564.38x = 3,663,483,411.06
  5. Step 5: Solve for x
    x = 3,663,483,411.06/67,564.38
  6. Step 6: Final answer
    x = 54,222.11

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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.