Home / 49,864.59-68,813.13-28,643.85

Finding the Fourth Proportional to 49,864.59, 68,813.13 and 28,643.85

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Solution

The fourth proportional to 49,864.59, 68,813.13 and 28,643.85 is: 39,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,864.59 : 68,813.13 = 28,643.85 : x
  2. Step 2: Convert to fraction form
    49,864.59/68,813.13 = 28,643.85/x
  3. Step 3: Cross multiply
    49,864.59x = 68,813.13 × 28,643.85
  4. Step 4: Simplify right side
    49,864.59x = 1,971,072,973.75
  5. Step 5: Solve for x
    x = 1,971,072,973.75/49,864.59
  6. Step 6: Final answer
    x = 39,528.51

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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.