Home / 62,930.28-86,844-36,074.40

Finding the Fourth Proportional to 62,930.28, 86,844 and 36,074.40

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Solution

The fourth proportional to 62,930.28, 86,844 and 36,074.40 is: 49,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,930.28 : 86,844 = 36,074.40 : x
  2. Step 2: Convert to fraction form
    62,930.28/86,844 = 36,074.40/x
  3. Step 3: Cross multiply
    62,930.28x = 86,844 × 36,074.40
  4. Step 4: Simplify right side
    62,930.28x = 3,132,845,193.60
  5. Step 5: Solve for x
    x = 3,132,845,193.60/62,930.28
  6. Step 6: Final answer
    x = 49,782.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.