Home / 49,137.10-67,809.22-27,916.40

Finding the Fourth Proportional to 49,137.10, 67,809.22 and 27,916.40

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Solution

The fourth proportional to 49,137.10, 67,809.22 and 27,916.40 is: 38,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,137.10 : 67,809.22 = 27,916.40 : x
  2. Step 2: Convert to fraction form
    49,137.10/67,809.22 = 27,916.40/x
  3. Step 3: Cross multiply
    49,137.10x = 67,809.22 × 27,916.40
  4. Step 4: Simplify right side
    49,137.10x = 1,892,989,309.21
  5. Step 5: Solve for x
    x = 1,892,989,309.21/49,137.10
  6. Step 6: Final answer
    x = 38,524.64

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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.