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Finding the Fourth Proportional to 67,533.73, 101,314.16 and 20,149.54

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Solution

The fourth proportional to 67,533.73, 101,314.16 and 20,149.54 is: 30,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,533.73 : 101,314.16 = 20,149.54 : x
  2. Step 2: Convert to fraction form
    67,533.73/101,314.16 = 20,149.54/x
  3. Step 3: Cross multiply
    67,533.73x = 101,314.16 × 20,149.54
  4. Step 4: Simplify right side
    67,533.73x = 2,041,433,112.17
  5. Step 5: Solve for x
    x = 2,041,433,112.17/67,533.73
  6. Step 6: Final answer
    x = 30,228.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.