Home / 48,615.49-67,120.34-39,684.23

Finding the Fourth Proportional to 48,615.49, 67,120.34 and 39,684.23

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Solution

The fourth proportional to 48,615.49, 67,120.34 and 39,684.23 is: 54,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,615.49 : 67,120.34 = 39,684.23 : x
  2. Step 2: Convert to fraction form
    48,615.49/67,120.34 = 39,684.23/x
  3. Step 3: Cross multiply
    48,615.49x = 67,120.34 × 39,684.23
  4. Step 4: Simplify right side
    48,615.49x = 2,663,619,010.24
  5. Step 5: Solve for x
    x = 2,663,619,010.24/48,615.49
  6. Step 6: Final answer
    x = 54,789.51

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Double scale
Find fourth proportional to 48,616.49, 67,121.72 and 39,685.23
Similar ratio
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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.