Home / 49,391.08-68,158.99-28,170.70

Finding the Fourth Proportional to 49,391.08, 68,158.99 and 28,170.70

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Solution

The fourth proportional to 49,391.08, 68,158.99 and 28,170.70 is: 38,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,391.08 : 68,158.99 = 28,170.70 : x
  2. Step 2: Convert to fraction form
    49,391.08/68,158.99 = 28,170.70/x
  3. Step 3: Cross multiply
    49,391.08x = 68,158.99 × 28,170.70
  4. Step 4: Simplify right side
    49,391.08x = 1,920,086,459.59
  5. Step 5: Solve for x
    x = 1,920,086,459.59/49,391.08
  6. Step 6: Final answer
    x = 38,875.17

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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.