Home / 62,685.28-94,028.24-21,132.64

Finding the Fourth Proportional to 62,685.28, 94,028.24 and 21,132.64

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Solution

The fourth proportional to 62,685.28, 94,028.24 and 21,132.64 is: 31,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,685.28 : 94,028.24 = 21,132.64 : x
  2. Step 2: Convert to fraction form
    62,685.28/94,028.24 = 21,132.64/x
  3. Step 3: Cross multiply
    62,685.28x = 94,028.24 × 21,132.64
  4. Step 4: Simplify right side
    62,685.28x = 1,987,064,945.75
  5. Step 5: Solve for x
    x = 1,987,064,945.75/62,685.28
  6. Step 6: Final answer
    x = 31,699.07

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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.