Home / 49,759.12-74,555.47-21,637

Finding the Fourth Proportional to 49,759.12, 74,555.47 and 21,637

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Solution

The fourth proportional to 49,759.12, 74,555.47 and 21,637 is: 32,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,759.12 : 74,555.47 = 21,637 : x
  2. Step 2: Convert to fraction form
    49,759.12/74,555.47 = 21,637/x
  3. Step 3: Cross multiply
    49,759.12x = 74,555.47 × 21,637
  4. Step 4: Simplify right side
    49,759.12x = 1,613,156,704.39
  5. Step 5: Solve for x
    x = 1,613,156,704.39/49,759.12
  6. Step 6: Final answer
    x = 32,419.32

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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.