Home / 49,838.60-74,757.90-20,246.60

Finding the Fourth Proportional to 49,838.60, 74,757.90 and 20,246.60

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Solution

The fourth proportional to 49,838.60, 74,757.90 and 20,246.60 is: 30,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,838.60 : 74,757.90 = 20,246.60 : x
  2. Step 2: Convert to fraction form
    49,838.60/74,757.90 = 20,246.60/x
  3. Step 3: Cross multiply
    49,838.60x = 74,757.90 × 20,246.60
  4. Step 4: Simplify right side
    49,838.60x = 1,513,593,298.14
  5. Step 5: Solve for x
    x = 1,513,593,298.14/49,838.60
  6. Step 6: Final answer
    x = 30,369.90

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1.5x scale

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.