Home / 54,840.24-75,679.55-29,689.74

Finding the Fourth Proportional to 54,840.24, 75,679.55 and 29,689.74

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Solution

The fourth proportional to 54,840.24, 75,679.55 and 29,689.74 is: 40,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840.24 : 75,679.55 = 29,689.74 : x
  2. Step 2: Convert to fraction form
    54,840.24/75,679.55 = 29,689.74/x
  3. Step 3: Cross multiply
    54,840.24x = 75,679.55 × 29,689.74
  4. Step 4: Simplify right side
    54,840.24x = 2,246,906,162.82
  5. Step 5: Solve for x
    x = 2,246,906,162.82/54,840.24
  6. Step 6: Final answer
    x = 40,971.85

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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.