Home / 38,930.12-53,723.68-22,580.50

Finding the Fourth Proportional to 38,930.12, 53,723.68 and 22,580.50

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Solution

The fourth proportional to 38,930.12, 53,723.68 and 22,580.50 is: 31,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,930.12 : 53,723.68 = 22,580.50 : x
  2. Step 2: Convert to fraction form
    38,930.12/53,723.68 = 22,580.50/x
  3. Step 3: Cross multiply
    38,930.12x = 53,723.68 × 22,580.50
  4. Step 4: Simplify right side
    38,930.12x = 1,213,107,556.24
  5. Step 5: Solve for x
    x = 1,213,107,556.24/38,930.12
  6. Step 6: Final answer
    x = 31,161.16

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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.