Home / 49,563.42-68,400.90-28,053.20

Finding the Fourth Proportional to 49,563.42, 68,400.90 and 28,053.20

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Solution

The fourth proportional to 49,563.42, 68,400.90 and 28,053.20 is: 38,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,563.42 : 68,400.90 = 28,053.20 : x
  2. Step 2: Convert to fraction form
    49,563.42/68,400.90 = 28,053.20/x
  3. Step 3: Cross multiply
    49,563.42x = 68,400.90 × 28,053.20
  4. Step 4: Simplify right side
    49,563.42x = 1,918,863,785.88
  5. Step 5: Solve for x
    x = 1,918,863,785.88/49,563.42
  6. Step 6: Final answer
    x = 38,715.32

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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.