Home / 49,491.17-68,281.75-27,978.84

Finding the Fourth Proportional to 49,491.17, 68,281.75 and 27,978.84

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Solution

The fourth proportional to 49,491.17, 68,281.75 and 27,978.84 is: 38,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,491.17 : 68,281.75 = 27,978.84 : x
  2. Step 2: Convert to fraction form
    49,491.17/68,281.75 = 27,978.84/x
  3. Step 3: Cross multiply
    49,491.17x = 68,281.75 × 27,978.84
  4. Step 4: Simplify right side
    49,491.17x = 1,910,444,158.17
  5. Step 5: Solve for x
    x = 1,910,444,158.17/49,491.17
  6. Step 6: Final answer
    x = 38,601.72

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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.