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Finding the Fourth Proportional to 60,611.68, 90,922.68 and 18,501.22

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Solution

The fourth proportional to 60,611.68, 90,922.68 and 18,501.22 is: 27,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,611.68 : 90,922.68 = 18,501.22 : x
  2. Step 2: Convert to fraction form
    60,611.68/90,922.68 = 18,501.22/x
  3. Step 3: Cross multiply
    60,611.68x = 90,922.68 × 18,501.22
  4. Step 4: Simplify right side
    60,611.68x = 1,682,180,505.67
  5. Step 5: Solve for x
    x = 1,682,180,505.67/60,611.68
  6. Step 6: Final answer
    x = 27,753.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.