Home / 39,293.28-54,224.67-21,388.23

Finding the Fourth Proportional to 39,293.28, 54,224.67 and 21,388.23

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Solution

The fourth proportional to 39,293.28, 54,224.67 and 21,388.23 is: 29,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,293.28 : 54,224.67 = 21,388.23 : x
  2. Step 2: Convert to fraction form
    39,293.28/54,224.67 = 21,388.23/x
  3. Step 3: Cross multiply
    39,293.28x = 54,224.67 × 21,388.23
  4. Step 4: Simplify right side
    39,293.28x = 1,159,769,713.63
  5. Step 5: Solve for x
    x = 1,159,769,713.63/39,293.28
  6. Step 6: Final answer
    x = 29,515.73

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Find fourth proportional to 39,294.28, 54,226.05 and 21,389.23
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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.