Home / 49,212.50-67,916.90-27,998.60

Finding the Fourth Proportional to 49,212.50, 67,916.90 and 27,998.60

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Solution

The fourth proportional to 49,212.50, 67,916.90 and 27,998.60 is: 38,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,212.50 : 67,916.90 = 27,998.60 : x
  2. Step 2: Convert to fraction form
    49,212.50/67,916.90 = 27,998.60/x
  3. Step 3: Cross multiply
    49,212.50x = 67,916.90 × 27,998.60
  4. Step 4: Simplify right side
    49,212.50x = 1,901,578,116.34
  5. Step 5: Solve for x
    x = 1,901,578,116.34/49,212.50
  6. Step 6: Final answer
    x = 38,640.14

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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.