Home / 49,344.90-68,097.72-28,120.74

Finding the Fourth Proportional to 49,344.90, 68,097.72 and 28,120.74

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Solution

The fourth proportional to 49,344.90, 68,097.72 and 28,120.74 is: 38,807.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,344.90 : 68,097.72 = 28,120.74 : x
  2. Step 2: Convert to fraction form
    49,344.90/68,097.72 = 28,120.74/x
  3. Step 3: Cross multiply
    49,344.90x = 68,097.72 × 28,120.74
  4. Step 4: Simplify right side
    49,344.90x = 1,914,958,278.71
  5. Step 5: Solve for x
    x = 1,914,958,278.71/49,344.90
  6. Step 6: Final answer
    x = 38,807.62

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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.