Home / 38,883.20-53,658.21-21,887.41

Finding the Fourth Proportional to 38,883.20, 53,658.21 and 21,887.41

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Solution

The fourth proportional to 38,883.20, 53,658.21 and 21,887.41 is: 30,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,883.20 : 53,658.21 = 21,887.41 : x
  2. Step 2: Convert to fraction form
    38,883.20/53,658.21 = 21,887.41/x
  3. Step 3: Cross multiply
    38,883.20x = 53,658.21 × 21,887.41
  4. Step 4: Simplify right side
    38,883.20x = 1,174,438,973.85
  5. Step 5: Solve for x
    x = 1,174,438,973.85/38,883.20
  6. Step 6: Final answer
    x = 30,204.28

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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.