Home / 49,214.52-67,920.30-40,237.02

Finding the Fourth Proportional to 49,214.52, 67,920.30 and 40,237.02

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Solution

The fourth proportional to 49,214.52, 67,920.30 and 40,237.02 is: 55,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,214.52 : 67,920.30 = 40,237.02 : x
  2. Step 2: Convert to fraction form
    49,214.52/67,920.30 = 40,237.02/x
  3. Step 3: Cross multiply
    49,214.52x = 67,920.30 × 40,237.02
  4. Step 4: Simplify right side
    49,214.52x = 2,732,910,469.51
  5. Step 5: Solve for x
    x = 2,732,910,469.51/49,214.52
  6. Step 6: Final answer
    x = 55,530.57

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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.