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Finding the Fourth Proportional to 48,969.77, 67,504.79 and 38,340.95

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Solution

The fourth proportional to 48,969.77, 67,504.79 and 38,340.95 is: 52,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,969.77 : 67,504.79 = 38,340.95 : x
  2. Step 2: Convert to fraction form
    48,969.77/67,504.79 = 38,340.95/x
  3. Step 3: Cross multiply
    48,969.77x = 67,504.79 × 38,340.95
  4. Step 4: Simplify right side
    48,969.77x = 2,588,197,536.48
  5. Step 5: Solve for x
    x = 2,588,197,536.48/48,969.77
  6. Step 6: Final answer
    x = 52,852.97

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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.