Home / 62,640.68-93,958.56-20,523.92

Finding the Fourth Proportional to 62,640.68, 93,958.56 and 20,523.92

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Solution

The fourth proportional to 62,640.68, 93,958.56 and 20,523.92 is: 30,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640.68 : 93,958.56 = 20,523.92 : x
  2. Step 2: Convert to fraction form
    62,640.68/93,958.56 = 20,523.92/x
  3. Step 3: Cross multiply
    62,640.68x = 93,958.56 × 20,523.92
  4. Step 4: Simplify right side
    62,640.68x = 1,928,397,968.76
  5. Step 5: Solve for x
    x = 1,928,397,968.76/62,640.68
  6. Step 6: Final answer
    x = 30,785.07

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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.