Home / 33,272.68-45,915.12-19,837.02

Finding the Fourth Proportional to 33,272.68, 45,915.12 and 19,837.02

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Solution

The fourth proportional to 33,272.68, 45,915.12 and 19,837.02 is: 27,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,272.68 : 45,915.12 = 19,837.02 : x
  2. Step 2: Convert to fraction form
    33,272.68/45,915.12 = 19,837.02/x
  3. Step 3: Cross multiply
    33,272.68x = 45,915.12 × 19,837.02
  4. Step 4: Simplify right side
    33,272.68x = 910,819,153.74
  5. Step 5: Solve for x
    x = 910,819,153.74/33,272.68
  6. Step 6: Final answer
    x = 27,374.39

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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.