Home / 50,974.76-70,349.60-28,318.16

Finding the Fourth Proportional to 50,974.76, 70,349.60 and 28,318.16

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Solution

The fourth proportional to 50,974.76, 70,349.60 and 28,318.16 is: 39,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,974.76 : 70,349.60 = 28,318.16 : x
  2. Step 2: Convert to fraction form
    50,974.76/70,349.60 = 28,318.16/x
  3. Step 3: Cross multiply
    50,974.76x = 70,349.60 × 28,318.16
  4. Step 4: Simplify right side
    50,974.76x = 1,992,171,228.74
  5. Step 5: Solve for x
    x = 1,992,171,228.74/50,974.76
  6. Step 6: Final answer
    x = 39,081.52

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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.