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Finding the Fourth Proportional to 62,012.76, 85,575.75 and 35,157.72

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Solution

The fourth proportional to 62,012.76, 85,575.75 and 35,157.72 is: 48,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,012.76 : 85,575.75 = 35,157.72 : x
  2. Step 2: Convert to fraction form
    62,012.76/85,575.75 = 35,157.72/x
  3. Step 3: Cross multiply
    62,012.76x = 85,575.75 × 35,157.72
  4. Step 4: Simplify right side
    62,012.76x = 3,008,648,257.29
  5. Step 5: Solve for x
    x = 3,008,648,257.29/62,012.76
  6. Step 6: Final answer
    x = 48,516.60

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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.