Home / 48,678.31-67,179.20-27,457.12

Finding the Fourth Proportional to 48,678.31, 67,179.20 and 27,457.12

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Solution

The fourth proportional to 48,678.31, 67,179.20 and 27,457.12 is: 37,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.31 : 67,179.20 = 27,457.12 : x
  2. Step 2: Convert to fraction form
    48,678.31/67,179.20 = 27,457.12/x
  3. Step 3: Cross multiply
    48,678.31x = 67,179.20 × 27,457.12
  4. Step 4: Simplify right side
    48,678.31x = 1,844,547,355.90
  5. Step 5: Solve for x
    x = 1,844,547,355.90/48,678.31
  6. Step 6: Final answer
    x = 37,892.59

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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.