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Finding the Fourth Proportional to 62,156.94, 85,782.77 and 37,956.57

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Solution

The fourth proportional to 62,156.94, 85,782.77 and 37,956.57 is: 52,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,156.94 : 85,782.77 = 37,956.57 : x
  2. Step 2: Convert to fraction form
    62,156.94/85,782.77 = 37,956.57/x
  3. Step 3: Cross multiply
    62,156.94x = 85,782.77 × 37,956.57
  4. Step 4: Simplify right side
    62,156.94x = 3,256,019,714.30
  5. Step 5: Solve for x
    x = 3,256,019,714.30/62,156.94
  6. Step 6: Final answer
    x = 52,383.85

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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.