Home / 49,038.66-67,680.90-27,813.42

Finding the Fourth Proportional to 49,038.66, 67,680.90 and 27,813.42

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Solution

The fourth proportional to 49,038.66, 67,680.90 and 27,813.42 is: 38,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,038.66 : 67,680.90 = 27,813.42 : x
  2. Step 2: Convert to fraction form
    49,038.66/67,680.90 = 27,813.42/x
  3. Step 3: Cross multiply
    49,038.66x = 67,680.90 × 27,813.42
  4. Step 4: Simplify right side
    49,038.66x = 1,882,437,297.68
  5. Step 5: Solve for x
    x = 1,882,437,297.68/49,038.66
  6. Step 6: Final answer
    x = 38,386.80

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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.