Home / 39,096.15-53,952.96-21,191.28

Finding the Fourth Proportional to 39,096.15, 53,952.96 and 21,191.28

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Solution

The fourth proportional to 39,096.15, 53,952.96 and 21,191.28 is: 29,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,096.15 : 53,952.96 = 21,191.28 : x
  2. Step 2: Convert to fraction form
    39,096.15/53,952.96 = 21,191.28/x
  3. Step 3: Cross multiply
    39,096.15x = 53,952.96 × 21,191.28
  4. Step 4: Simplify right side
    39,096.15x = 1,143,332,159.33
  5. Step 5: Solve for x
    x = 1,143,332,159.33/39,096.15
  6. Step 6: Final answer
    x = 29,244.11

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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.