Home / 45,464.18-62,780.20-28,497.60

Finding the Fourth Proportional to 45,464.18, 62,780.20 and 28,497.60

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Solution

The fourth proportional to 45,464.18, 62,780.20 and 28,497.60 is: 39,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,464.18 : 62,780.20 = 28,497.60 : x
  2. Step 2: Convert to fraction form
    45,464.18/62,780.20 = 28,497.60/x
  3. Step 3: Cross multiply
    45,464.18x = 62,780.20 × 28,497.60
  4. Step 4: Simplify right side
    45,464.18x = 1,789,085,027.52
  5. Step 5: Solve for x
    x = 1,789,085,027.52/45,464.18
  6. Step 6: Final answer
    x = 39,351.53

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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.