Home / 38,186.91-52,696.54-21,191.89

Finding the Fourth Proportional to 38,186.91, 52,696.54 and 21,191.89

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Solution

The fourth proportional to 38,186.91, 52,696.54 and 21,191.89 is: 29,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.91 : 52,696.54 = 21,191.89 : x
  2. Step 2: Convert to fraction form
    38,186.91/52,696.54 = 21,191.89/x
  3. Step 3: Cross multiply
    38,186.91x = 52,696.54 × 21,191.89
  4. Step 4: Simplify right side
    38,186.91x = 1,116,739,173.10
  5. Step 5: Solve for x
    x = 1,116,739,173.10/38,186.91
  6. Step 6: Final answer
    x = 29,244.03

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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.