Home / 40,003.50-60,041.64-21,299.22

Finding the Fourth Proportional to 40,003.50, 60,041.64 and 21,299.22

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Solution

The fourth proportional to 40,003.50, 60,041.64 and 21,299.22 is: 31,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.50 : 60,041.64 = 21,299.22 : x
  2. Step 2: Convert to fraction form
    40,003.50/60,041.64 = 21,299.22/x
  3. Step 3: Cross multiply
    40,003.50x = 60,041.64 × 21,299.22
  4. Step 4: Simplify right side
    40,003.50x = 1,278,840,099.52
  5. Step 5: Solve for x
    x = 1,278,840,099.52/40,003.50
  6. Step 6: Final answer
    x = 31,968.21

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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.