Home / 33,181.65-45,779.38-21,252.17

Finding the Fourth Proportional to 33,181.65, 45,779.38 and 21,252.17

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Solution

The fourth proportional to 33,181.65, 45,779.38 and 21,252.17 is: 29,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.65 : 45,779.38 = 21,252.17 : x
  2. Step 2: Convert to fraction form
    33,181.65/45,779.38 = 21,252.17/x
  3. Step 3: Cross multiply
    33,181.65x = 45,779.38 × 21,252.17
  4. Step 4: Simplify right side
    33,181.65x = 972,911,227.57
  5. Step 5: Solve for x
    x = 972,911,227.57/33,181.65
  6. Step 6: Final answer
    x = 29,320.76

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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.