Home / 49,137.72-67,810.28-27,918.15

Finding the Fourth Proportional to 49,137.72, 67,810.28 and 27,918.15

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Solution

The fourth proportional to 49,137.72, 67,810.28 and 27,918.15 is: 38,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,137.72 : 67,810.28 = 27,918.15 : x
  2. Step 2: Convert to fraction form
    49,137.72/67,810.28 = 27,918.15/x
  3. Step 3: Cross multiply
    49,137.72x = 67,810.28 × 27,918.15
  4. Step 4: Simplify right side
    49,137.72x = 1,893,137,428.99
  5. Step 5: Solve for x
    x = 1,893,137,428.99/49,137.72
  6. Step 6: Final answer
    x = 38,527.17

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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.