Home / 62,690.28-94,035.74-21,137.64

Finding the Fourth Proportional to 62,690.28, 94,035.74 and 21,137.64

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Solution

The fourth proportional to 62,690.28, 94,035.74 and 21,137.64 is: 31,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,690.28 : 94,035.74 = 21,137.64 : x
  2. Step 2: Convert to fraction form
    62,690.28/94,035.74 = 21,137.64/x
  3. Step 3: Cross multiply
    62,690.28x = 94,035.74 × 21,137.64
  4. Step 4: Simplify right side
    62,690.28x = 1,987,693,619.25
  5. Step 5: Solve for x
    x = 1,987,693,619.25/62,690.28
  6. Step 6: Final answer
    x = 31,706.57

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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.