Home / 48,673.12-67,156.20-28,519.17

Finding the Fourth Proportional to 48,673.12, 67,156.20 and 28,519.17

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Solution

The fourth proportional to 48,673.12, 67,156.20 and 28,519.17 is: 39,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,673.12 : 67,156.20 = 28,519.17 : x
  2. Step 2: Convert to fraction form
    48,673.12/67,156.20 = 28,519.17/x
  3. Step 3: Cross multiply
    48,673.12x = 67,156.20 × 28,519.17
  4. Step 4: Simplify right side
    48,673.12x = 1,915,239,155.65
  5. Step 5: Solve for x
    x = 1,915,239,155.65/48,673.12
  6. Step 6: Final answer
    x = 39,349.02

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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.