Home / 35,361.76-53,039.82-20,561.24

Finding the Fourth Proportional to 35,361.76, 53,039.82 and 20,561.24

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Solution

The fourth proportional to 35,361.76, 53,039.82 and 20,561.24 is: 30,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,361.76 : 53,039.82 = 20,561.24 : x
  2. Step 2: Convert to fraction form
    35,361.76/53,039.82 = 20,561.24/x
  3. Step 3: Cross multiply
    35,361.76x = 53,039.82 × 20,561.24
  4. Step 4: Simplify right side
    35,361.76x = 1,090,564,468.58
  5. Step 5: Solve for x
    x = 1,090,564,468.58/35,361.76
  6. Step 6: Final answer
    x = 30,840.22

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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.