Home / 52,152.08-71,956.20-30,936.08

Finding the Fourth Proportional to 52,152.08, 71,956.20 and 30,936.08

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Solution

The fourth proportional to 52,152.08, 71,956.20 and 30,936.08 is: 42,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152.08 : 71,956.20 = 30,936.08 : x
  2. Step 2: Convert to fraction form
    52,152.08/71,956.20 = 30,936.08/x
  3. Step 3: Cross multiply
    52,152.08x = 71,956.20 × 30,936.08
  4. Step 4: Simplify right side
    52,152.08x = 2,226,042,759.70
  5. Step 5: Solve for x
    x = 2,226,042,759.70/52,152.08
  6. Step 6: Final answer
    x = 42,683.68

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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.