Home / 47,451.33-65,483.62-28,332.78

Finding the Fourth Proportional to 47,451.33, 65,483.62 and 28,332.78

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Solution

The fourth proportional to 47,451.33, 65,483.62 and 28,332.78 is: 39,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,451.33 : 65,483.62 = 28,332.78 : x
  2. Step 2: Convert to fraction form
    47,451.33/65,483.62 = 28,332.78/x
  3. Step 3: Cross multiply
    47,451.33x = 65,483.62 × 28,332.78
  4. Step 4: Simplify right side
    47,451.33x = 1,855,332,928.23
  5. Step 5: Solve for x
    x = 1,855,332,928.23/47,451.33
  6. Step 6: Final answer
    x = 39,099.70

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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.