Home / 33,272.60-45,916.25-21,335.94

Finding the Fourth Proportional to 33,272.60, 45,916.25 and 21,335.94

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Solution

The fourth proportional to 33,272.60, 45,916.25 and 21,335.94 is: 29,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,272.60 : 45,916.25 = 21,335.94 : x
  2. Step 2: Convert to fraction form
    33,272.60/45,916.25 = 21,335.94/x
  3. Step 3: Cross multiply
    33,272.60x = 45,916.25 × 21,335.94
  4. Step 4: Simplify right side
    33,272.60x = 979,666,248.35
  5. Step 5: Solve for x
    x = 979,666,248.35/33,272.60
  6. Step 6: Final answer
    x = 29,443.64

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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.