Home / 33,316.34-45,972.10-21,395.82

Finding the Fourth Proportional to 33,316.34, 45,972.10 and 21,395.82

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Solution

The fourth proportional to 33,316.34, 45,972.10 and 21,395.82 is: 29,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.34 : 45,972.10 = 21,395.82 : x
  2. Step 2: Convert to fraction form
    33,316.34/45,972.10 = 21,395.82/x
  3. Step 3: Cross multiply
    33,316.34x = 45,972.10 × 21,395.82
  4. Step 4: Simplify right side
    33,316.34x = 983,610,776.62
  5. Step 5: Solve for x
    x = 983,610,776.62/33,316.34
  6. Step 6: Final answer
    x = 29,523.37

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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.