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Finding the Fourth Proportional to 60,190.94, 83,035.92 and 38,977.04

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Solution

The fourth proportional to 60,190.94, 83,035.92 and 38,977.04 is: 53,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,190.94 : 83,035.92 = 38,977.04 : x
  2. Step 2: Convert to fraction form
    60,190.94/83,035.92 = 38,977.04/x
  3. Step 3: Cross multiply
    60,190.94x = 83,035.92 × 38,977.04
  4. Step 4: Simplify right side
    60,190.94x = 3,236,493,960.10
  5. Step 5: Solve for x
    x = 3,236,493,960.10/60,190.94
  6. Step 6: Final answer
    x = 53,770.45

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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.