Home / 32,976.70-45,510.08-18,631.56

Finding the Fourth Proportional to 32,976.70, 45,510.08 and 18,631.56

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Solution

The fourth proportional to 32,976.70, 45,510.08 and 18,631.56 is: 25,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,976.70 : 45,510.08 = 18,631.56 : x
  2. Step 2: Convert to fraction form
    32,976.70/45,510.08 = 18,631.56/x
  3. Step 3: Cross multiply
    32,976.70x = 45,510.08 × 18,631.56
  4. Step 4: Simplify right side
    32,976.70x = 847,923,786.12
  5. Step 5: Solve for x
    x = 847,923,786.12/32,976.70
  6. Step 6: Final answer
    x = 25,712.81

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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.