Home / 38,584.02-53,243.78-21,584.98

Finding the Fourth Proportional to 38,584.02, 53,243.78 and 21,584.98

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Solution

The fourth proportional to 38,584.02, 53,243.78 and 21,584.98 is: 29,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.02 : 53,243.78 = 21,584.98 : x
  2. Step 2: Convert to fraction form
    38,584.02/53,243.78 = 21,584.98/x
  3. Step 3: Cross multiply
    38,584.02x = 53,243.78 × 21,584.98
  4. Step 4: Simplify right side
    38,584.02x = 1,149,265,926.42
  5. Step 5: Solve for x
    x = 1,149,265,926.42/38,584.02
  6. Step 6: Final answer
    x = 29,786.06

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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.