Home / 39,096.12-53,952.68-21,191.12

Finding the Fourth Proportional to 39,096.12, 53,952.68 and 21,191.12

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Solution

The fourth proportional to 39,096.12, 53,952.68 and 21,191.12 is: 29,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,096.12 : 53,952.68 = 21,191.12 : x
  2. Step 2: Convert to fraction form
    39,096.12/53,952.68 = 21,191.12/x
  3. Step 3: Cross multiply
    39,096.12x = 53,952.68 × 21,191.12
  4. Step 4: Simplify right side
    39,096.12x = 1,143,317,701.74
  5. Step 5: Solve for x
    x = 1,143,317,701.74/39,096.12
  6. Step 6: Final answer
    x = 29,243.77

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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.