Home / 35,333.28-52,998.36-21,453.12

Finding the Fourth Proportional to 35,333.28, 52,998.36 and 21,453.12

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Solution

The fourth proportional to 35,333.28, 52,998.36 and 21,453.12 is: 32,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,333.28 : 52,998.36 = 21,453.12 : x
  2. Step 2: Convert to fraction form
    35,333.28/52,998.36 = 21,453.12/x
  3. Step 3: Cross multiply
    35,333.28x = 52,998.36 × 21,453.12
  4. Step 4: Simplify right side
    35,333.28x = 1,136,980,176.88
  5. Step 5: Solve for x
    x = 1,136,980,176.88/35,333.28
  6. Step 6: Final answer
    x = 32,178.73

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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.