Home / 38,568.24-53,223.48-21,800.88

Finding the Fourth Proportional to 38,568.24, 53,223.48 and 21,800.88

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Solution

The fourth proportional to 38,568.24, 53,223.48 and 21,800.88 is: 30,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568.24 : 53,223.48 = 21,800.88 : x
  2. Step 2: Convert to fraction form
    38,568.24/53,223.48 = 21,800.88/x
  3. Step 3: Cross multiply
    38,568.24x = 53,223.48 × 21,800.88
  4. Step 4: Simplify right side
    38,568.24x = 1,160,318,700.66
  5. Step 5: Solve for x
    x = 1,160,318,700.66/38,568.24
  6. Step 6: Final answer
    x = 30,084.82

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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.