Home / 32,935.56-45,438.68-21,611.30

Finding the Fourth Proportional to 32,935.56, 45,438.68 and 21,611.30

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Solution

The fourth proportional to 32,935.56, 45,438.68 and 21,611.30 is: 29,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,935.56 : 45,438.68 = 21,611.30 : x
  2. Step 2: Convert to fraction form
    32,935.56/45,438.68 = 21,611.30/x
  3. Step 3: Cross multiply
    32,935.56x = 45,438.68 × 21,611.30
  4. Step 4: Simplify right side
    32,935.56x = 981,988,945.08
  5. Step 5: Solve for x
    x = 981,988,945.08/32,935.56
  6. Step 6: Final answer
    x = 29,815.46

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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.