Home / 39,263.04-54,183.92-21,359.20

Finding the Fourth Proportional to 39,263.04, 54,183.92 and 21,359.20

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Solution

The fourth proportional to 39,263.04, 54,183.92 and 21,359.20 is: 29,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,263.04 : 54,183.92 = 21,359.20 : x
  2. Step 2: Convert to fraction form
    39,263.04/54,183.92 = 21,359.20/x
  3. Step 3: Cross multiply
    39,263.04x = 54,183.92 × 21,359.20
  4. Step 4: Simplify right side
    39,263.04x = 1,157,325,184.06
  5. Step 5: Solve for x
    x = 1,157,325,184.06/39,263.04
  6. Step 6: Final answer
    x = 29,476.20

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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.