Home / 49,637.38-68,502.20-28,419.82

Finding the Fourth Proportional to 49,637.38, 68,502.20 and 28,419.82

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Solution

The fourth proportional to 49,637.38, 68,502.20 and 28,419.82 is: 39,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,637.38 : 68,502.20 = 28,419.82 : x
  2. Step 2: Convert to fraction form
    49,637.38/68,502.20 = 28,419.82/x
  3. Step 3: Cross multiply
    49,637.38x = 68,502.20 × 28,419.82
  4. Step 4: Simplify right side
    49,637.38x = 1,946,820,193.60
  5. Step 5: Solve for x
    x = 1,946,820,193.60/49,637.38
  6. Step 6: Final answer
    x = 39,220.85

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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.