Home / 49,825.12-74,711.52-14,759.68

Finding the Fourth Proportional to 49,825.12, 74,711.52 and 14,759.68

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Solution

The fourth proportional to 49,825.12, 74,711.52 and 14,759.68 is: 22,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,825.12 : 74,711.52 = 14,759.68 : x
  2. Step 2: Convert to fraction form
    49,825.12/74,711.52 = 14,759.68/x
  3. Step 3: Cross multiply
    49,825.12x = 74,711.52 × 14,759.68
  4. Step 4: Simplify right side
    49,825.12x = 1,102,718,127.51
  5. Step 5: Solve for x
    x = 1,102,718,127.51/49,825.12
  6. Step 6: Final answer
    x = 22,131.77

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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.