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Finding the Fourth Proportional to 61,465.94, 92,214.75 and 33,378.79

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Solution

The fourth proportional to 61,465.94, 92,214.75 and 33,378.79 is: 50,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,465.94 : 92,214.75 = 33,378.79 : x
  2. Step 2: Convert to fraction form
    61,465.94/92,214.75 = 33,378.79/x
  3. Step 3: Cross multiply
    61,465.94x = 92,214.75 × 33,378.79
  4. Step 4: Simplify right side
    61,465.94x = 3,078,016,314.08
  5. Step 5: Solve for x
    x = 3,078,016,314.08/61,465.94
  6. Step 6: Final answer
    x = 50,076.78

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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.