Home / 38,883.46-53,658.56-21,887.66

Finding the Fourth Proportional to 38,883.46, 53,658.56 and 21,887.66

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Solution

The fourth proportional to 38,883.46, 53,658.56 and 21,887.66 is: 30,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,883.46 : 53,658.56 = 21,887.66 : x
  2. Step 2: Convert to fraction form
    38,883.46/53,658.56 = 21,887.66/x
  3. Step 3: Cross multiply
    38,883.46x = 53,658.56 × 21,887.66
  4. Step 4: Simplify right side
    38,883.46x = 1,174,459,939.64
  5. Step 5: Solve for x
    x = 1,174,459,939.64/38,883.46
  6. Step 6: Final answer
    x = 30,204.62

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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.