Home / 33,331.59-45,997.10-19,900.32

Finding the Fourth Proportional to 33,331.59, 45,997.10 and 19,900.32

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Solution

The fourth proportional to 33,331.59, 45,997.10 and 19,900.32 is: 27,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,331.59 : 45,997.10 = 19,900.32 : x
  2. Step 2: Convert to fraction form
    33,331.59/45,997.10 = 19,900.32/x
  3. Step 3: Cross multiply
    33,331.59x = 45,997.10 × 19,900.32
  4. Step 4: Simplify right side
    33,331.59x = 915,356,909.57
  5. Step 5: Solve for x
    x = 915,356,909.57/33,331.59
  6. Step 6: Final answer
    x = 27,462.14

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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.