Home / 45,989.90-63,464.24-28,114.82

Finding the Fourth Proportional to 45,989.90, 63,464.24 and 28,114.82

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Solution

The fourth proportional to 45,989.90, 63,464.24 and 28,114.82 is: 38,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,989.90 : 63,464.24 = 28,114.82 : x
  2. Step 2: Convert to fraction form
    45,989.90/63,464.24 = 28,114.82/x
  3. Step 3: Cross multiply
    45,989.90x = 63,464.24 × 28,114.82
  4. Step 4: Simplify right side
    45,989.90x = 1,784,285,684.04
  5. Step 5: Solve for x
    x = 1,784,285,684.04/45,989.90
  6. Step 6: Final answer
    x = 38,797.34

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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.