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Finding the Fourth Proportional to 62,074.57, 85,664.85 and 35,218.21

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Solution

The fourth proportional to 62,074.57, 85,664.85 and 35,218.21 is: 48,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,074.57 : 85,664.85 = 35,218.21 : x
  2. Step 2: Convert to fraction form
    62,074.57/85,664.85 = 35,218.21/x
  3. Step 3: Cross multiply
    62,074.57x = 85,664.85 × 35,218.21
  4. Step 4: Simplify right side
    62,074.57x = 3,016,962,676.92
  5. Step 5: Solve for x
    x = 3,016,962,676.92/62,074.57
  6. Step 6: Final answer
    x = 48,602.23

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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.