Home / 38,515.09-53,150.85-22,385.56

Finding the Fourth Proportional to 38,515.09, 53,150.85 and 22,385.56

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Solution

The fourth proportional to 38,515.09, 53,150.85 and 22,385.56 is: 30,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,515.09 : 53,150.85 = 22,385.56 : x
  2. Step 2: Convert to fraction form
    38,515.09/53,150.85 = 22,385.56/x
  3. Step 3: Cross multiply
    38,515.09x = 53,150.85 × 22,385.56
  4. Step 4: Simplify right side
    38,515.09x = 1,189,811,164.04
  5. Step 5: Solve for x
    x = 1,189,811,164.04/38,515.09
  6. Step 6: Final answer
    x = 30,892.08

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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.