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Finding the Fourth Proportional to 33,264.42, 45,903.75 and 19,828.75

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Solution

The fourth proportional to 33,264.42, 45,903.75 and 19,828.75 is: 27,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,264.42 : 45,903.75 = 19,828.75 : x
  2. Step 2: Convert to fraction form
    33,264.42/45,903.75 = 19,828.75/x
  3. Step 3: Cross multiply
    33,264.42x = 45,903.75 × 19,828.75
  4. Step 4: Simplify right side
    33,264.42x = 910,213,982.81
  5. Step 5: Solve for x
    x = 910,213,982.81/33,264.42
  6. Step 6: Final answer
    x = 27,362.99

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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.