Home / 49,633.38-68,495.60-28,419.48

Finding the Fourth Proportional to 49,633.38, 68,495.60 and 28,419.48

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Solution

The fourth proportional to 49,633.38, 68,495.60 and 28,419.48 is: 39,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,633.38 : 68,495.60 = 28,419.48 : x
  2. Step 2: Convert to fraction form
    49,633.38/68,495.60 = 28,419.48/x
  3. Step 3: Cross multiply
    49,633.38x = 68,495.60 × 28,419.48
  4. Step 4: Simplify right side
    49,633.38x = 1,946,609,334.29
  5. Step 5: Solve for x
    x = 1,946,609,334.29/49,633.38
  6. Step 6: Final answer
    x = 39,219.76

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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.