Home / 49,334.40-74,059.20-28,291.20

Finding the Fourth Proportional to 49,334.40, 74,059.20 and 28,291.20

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Solution

The fourth proportional to 49,334.40, 74,059.20 and 28,291.20 is: 42,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,334.40 : 74,059.20 = 28,291.20 : x
  2. Step 2: Convert to fraction form
    49,334.40/74,059.20 = 28,291.20/x
  3. Step 3: Cross multiply
    49,334.40x = 74,059.20 × 28,291.20
  4. Step 4: Simplify right side
    49,334.40x = 2,095,223,639.04
  5. Step 5: Solve for x
    x = 2,095,223,639.04/49,334.40
  6. Step 6: Final answer
    x = 42,469.83

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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.