Home / 49,039.16-67,681.59-27,813.92

Finding the Fourth Proportional to 49,039.16, 67,681.59 and 27,813.92

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Solution

The fourth proportional to 49,039.16, 67,681.59 and 27,813.92 is: 38,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,039.16 : 67,681.59 = 27,813.92 : x
  2. Step 2: Convert to fraction form
    49,039.16/67,681.59 = 27,813.92/x
  3. Step 3: Cross multiply
    49,039.16x = 67,681.59 × 27,813.92
  4. Step 4: Simplify right side
    49,039.16x = 1,882,490,329.73
  5. Step 5: Solve for x
    x = 1,882,490,329.73/49,039.16
  6. Step 6: Final answer
    x = 38,387.49

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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.