Home / 49,773.36-68,774.61-39,784.17

Finding the Fourth Proportional to 49,773.36, 68,774.61 and 39,784.17

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Solution

The fourth proportional to 49,773.36, 68,774.61 and 39,784.17 is: 54,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773.36 : 68,774.61 = 39,784.17 : x
  2. Step 2: Convert to fraction form
    49,773.36/68,774.61 = 39,784.17/x
  3. Step 3: Cross multiply
    49,773.36x = 68,774.61 × 39,784.17
  4. Step 4: Simplify right side
    49,773.36x = 2,736,140,775.92
  5. Step 5: Solve for x
    x = 2,736,140,775.92/49,773.36
  6. Step 6: Final answer
    x = 54,971.99

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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.