Home / 49,828.60-74,741.28-20,237.68

Finding the Fourth Proportional to 49,828.60, 74,741.28 and 20,237.68

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Solution

The fourth proportional to 49,828.60, 74,741.28 and 20,237.68 is: 30,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,828.60 : 74,741.28 = 20,237.68 : x
  2. Step 2: Convert to fraction form
    49,828.60/74,741.28 = 20,237.68/x
  3. Step 3: Cross multiply
    49,828.60x = 74,741.28 × 20,237.68
  4. Step 4: Simplify right side
    49,828.60x = 1,512,590,107.43
  5. Step 5: Solve for x
    x = 1,512,590,107.43/49,828.60
  6. Step 6: Final answer
    x = 30,355.86

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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.