Home / 33,250.64-45,871.80-21,310.16

Finding the Fourth Proportional to 33,250.64, 45,871.80 and 21,310.16

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Solution

The fourth proportional to 33,250.64, 45,871.80 and 21,310.16 is: 29,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,250.64 : 45,871.80 = 21,310.16 : x
  2. Step 2: Convert to fraction form
    33,250.64/45,871.80 = 21,310.16/x
  3. Step 3: Cross multiply
    33,250.64x = 45,871.80 × 21,310.16
  4. Step 4: Simplify right side
    33,250.64x = 977,535,397.49
  5. Step 5: Solve for x
    x = 977,535,397.49/33,250.64
  6. Step 6: Final answer
    x = 29,398.99

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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.