Home / 49,038.90-67,671.68-27,817.71

Finding the Fourth Proportional to 49,038.90, 67,671.68 and 27,817.71

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Solution

The fourth proportional to 49,038.90, 67,671.68 and 27,817.71 is: 38,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,038.90 : 67,671.68 = 27,817.71 : x
  2. Step 2: Convert to fraction form
    49,038.90/67,671.68 = 27,817.71/x
  3. Step 3: Cross multiply
    49,038.90x = 67,671.68 × 27,817.71
  4. Step 4: Simplify right side
    49,038.90x = 1,882,471,169.45
  5. Step 5: Solve for x
    x = 1,882,471,169.45/49,038.90
  6. Step 6: Final answer
    x = 38,387.30

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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.