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Finding the Fourth Proportional to 62,062.75, 85,648.51 and 35,206.39

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Solution

The fourth proportional to 62,062.75, 85,648.51 and 35,206.39 is: 48,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,062.75 : 85,648.51 = 35,206.39 : x
  2. Step 2: Convert to fraction form
    62,062.75/85,648.51 = 35,206.39/x
  3. Step 3: Cross multiply
    62,062.75x = 85,648.51 × 35,206.39
  4. Step 4: Simplify right side
    62,062.75x = 3,015,374,845.98
  5. Step 5: Solve for x
    x = 3,015,374,845.98/62,062.75
  6. Step 6: Final answer
    x = 48,585.90

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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.