Home / 32,908.62-45,397.81-21,573.12

Finding the Fourth Proportional to 32,908.62, 45,397.81 and 21,573.12

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Solution

The fourth proportional to 32,908.62, 45,397.81 and 21,573.12 is: 29,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,908.62 : 45,397.81 = 21,573.12 : x
  2. Step 2: Convert to fraction form
    32,908.62/45,397.81 = 21,573.12/x
  3. Step 3: Cross multiply
    32,908.62x = 45,397.81 × 21,573.12
  4. Step 4: Simplify right side
    32,908.62x = 979,372,402.87
  5. Step 5: Solve for x
    x = 979,372,402.87/32,908.62
  6. Step 6: Final answer
    x = 29,760.36

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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.