Home / 38,690.21-53,388.47-22,773.71

Finding the Fourth Proportional to 38,690.21, 53,388.47 and 22,773.71

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Solution

The fourth proportional to 38,690.21, 53,388.47 and 22,773.71 is: 31,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.21 : 53,388.47 = 22,773.71 : x
  2. Step 2: Convert to fraction form
    38,690.21/53,388.47 = 22,773.71/x
  3. Step 3: Cross multiply
    38,690.21x = 53,388.47 × 22,773.71
  4. Step 4: Simplify right side
    38,690.21x = 1,215,853,723.53
  5. Step 5: Solve for x
    x = 1,215,853,723.53/38,690.21
  6. Step 6: Final answer
    x = 31,425.36

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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.