Home / 38,861.16-53,627.23-21,866.34

Finding the Fourth Proportional to 38,861.16, 53,627.23 and 21,866.34

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Solution

The fourth proportional to 38,861.16, 53,627.23 and 21,866.34 is: 30,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,861.16 : 53,627.23 = 21,866.34 : x
  2. Step 2: Convert to fraction form
    38,861.16/53,627.23 = 21,866.34/x
  3. Step 3: Cross multiply
    38,861.16x = 53,627.23 × 21,866.34
  4. Step 4: Simplify right side
    38,861.16x = 1,172,631,244.44
  5. Step 5: Solve for x
    x = 1,172,631,244.44/38,861.16
  6. Step 6: Final answer
    x = 30,174.89

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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.