Home / 60,872.36-91,334.94-21,457.64

Finding the Fourth Proportional to 60,872.36, 91,334.94 and 21,457.64

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Solution

The fourth proportional to 60,872.36, 91,334.94 and 21,457.64 is: 32,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,872.36 : 91,334.94 = 21,457.64 : x
  2. Step 2: Convert to fraction form
    60,872.36/91,334.94 = 21,457.64/x
  3. Step 3: Cross multiply
    60,872.36x = 91,334.94 × 21,457.64
  4. Step 4: Simplify right side
    60,872.36x = 1,959,832,261.94
  5. Step 5: Solve for x
    x = 1,959,832,261.94/60,872.36
  6. Step 6: Final answer
    x = 32,195.77

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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.