Home / 33,180.16-45,788.80-19,758.04

Finding the Fourth Proportional to 33,180.16, 45,788.80 and 19,758.04

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Solution

The fourth proportional to 33,180.16, 45,788.80 and 19,758.04 is: 27,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.16 : 45,788.80 = 19,758.04 : x
  2. Step 2: Convert to fraction form
    33,180.16/45,788.80 = 19,758.04/x
  3. Step 3: Cross multiply
    33,180.16x = 45,788.80 × 19,758.04
  4. Step 4: Simplify right side
    33,180.16x = 904,696,941.95
  5. Step 5: Solve for x
    x = 904,696,941.95/33,180.16
  6. Step 6: Final answer
    x = 27,266.20

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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.