Home / 39,096.66-53,953.08-21,191.21

Finding the Fourth Proportional to 39,096.66, 53,953.08 and 21,191.21

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Solution

The fourth proportional to 39,096.66, 53,953.08 and 21,191.21 is: 29,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,096.66 : 53,953.08 = 21,191.21 : x
  2. Step 2: Convert to fraction form
    39,096.66/53,953.08 = 21,191.21/x
  3. Step 3: Cross multiply
    39,096.66x = 53,953.08 × 21,191.21
  4. Step 4: Simplify right side
    39,096.66x = 1,143,330,778.66
  5. Step 5: Solve for x
    x = 1,143,330,778.66/39,096.66
  6. Step 6: Final answer
    x = 29,243.69

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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.