Home / 49,429.79-68,218.63-28,212.65

Finding the Fourth Proportional to 49,429.79, 68,218.63 and 28,212.65

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Solution

The fourth proportional to 49,429.79, 68,218.63 and 28,212.65 is: 38,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,429.79 : 68,218.63 = 28,212.65 : x
  2. Step 2: Convert to fraction form
    49,429.79/68,218.63 = 28,212.65/x
  3. Step 3: Cross multiply
    49,429.79x = 68,218.63 × 28,212.65
  4. Step 4: Simplify right side
    49,429.79x = 1,924,627,920.04
  5. Step 5: Solve for x
    x = 1,924,627,920.04/49,429.79
  6. Step 6: Final answer
    x = 38,936.60

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1.5x scale

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.