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Finding the Fourth Proportional to 54,002.60, 80,894.55 and 30,601.70

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Solution

The fourth proportional to 54,002.60, 80,894.55 and 30,601.70 is: 45,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002.60 : 80,894.55 = 30,601.70 : x
  2. Step 2: Convert to fraction form
    54,002.60/80,894.55 = 30,601.70/x
  3. Step 3: Cross multiply
    54,002.60x = 80,894.55 × 30,601.70
  4. Step 4: Simplify right side
    54,002.60x = 2,475,510,750.74
  5. Step 5: Solve for x
    x = 2,475,510,750.74/54,002.60
  6. Step 6: Final answer
    x = 45,840.58

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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.