Home / 43,574.28-60,145.20-28,469.24

Finding the Fourth Proportional to 43,574.28, 60,145.20 and 28,469.24

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Solution

The fourth proportional to 43,574.28, 60,145.20 and 28,469.24 is: 39,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,574.28 : 60,145.20 = 28,469.24 : x
  2. Step 2: Convert to fraction form
    43,574.28/60,145.20 = 28,469.24/x
  3. Step 3: Cross multiply
    43,574.28x = 60,145.20 × 28,469.24
  4. Step 4: Simplify right side
    43,574.28x = 1,712,288,133.65
  5. Step 5: Solve for x
    x = 1,712,288,133.65/43,574.28
  6. Step 6: Final answer
    x = 39,295.84

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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.