Home / 50,529.60-69,724.80-28,172.16

Finding the Fourth Proportional to 50,529.60, 69,724.80 and 28,172.16

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Solution

The fourth proportional to 50,529.60, 69,724.80 and 28,172.16 is: 38,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,529.60 : 69,724.80 = 28,172.16 : x
  2. Step 2: Convert to fraction form
    50,529.60/69,724.80 = 28,172.16/x
  3. Step 3: Cross multiply
    50,529.60x = 69,724.80 × 28,172.16
  4. Step 4: Simplify right side
    50,529.60x = 1,964,298,221.57
  5. Step 5: Solve for x
    x = 1,964,298,221.57/50,529.60
  6. Step 6: Final answer
    x = 38,874.21

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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.