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Finding the Fourth Proportional to 66,337.35, 91,521.50 and 37,640.39

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Solution

The fourth proportional to 66,337.35, 91,521.50 and 37,640.39 is: 51,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.35 : 91,521.50 = 37,640.39 : x
  2. Step 2: Convert to fraction form
    66,337.35/91,521.50 = 37,640.39/x
  3. Step 3: Cross multiply
    66,337.35x = 91,521.50 × 37,640.39
  4. Step 4: Simplify right side
    66,337.35x = 3,444,904,750.24
  5. Step 5: Solve for x
    x = 3,444,904,750.24/66,337.35
  6. Step 6: Final answer
    x = 51,930.09

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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.