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Finding the Fourth Proportional to 33,877.40, 50,718.90 and 32,905.40

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Solution

The fourth proportional to 33,877.40, 50,718.90 and 32,905.40 is: 49,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,877.40 : 50,718.90 = 32,905.40 : x
  2. Step 2: Convert to fraction form
    33,877.40/50,718.90 = 32,905.40/x
  3. Step 3: Cross multiply
    33,877.40x = 50,718.90 × 32,905.40
  4. Step 4: Simplify right side
    33,877.40x = 1,668,925,692.06
  5. Step 5: Solve for x
    x = 1,668,925,692.06/33,877.40
  6. Step 6: Final answer
    x = 49,263.69

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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.