Home / 39,203.64-54,089.11-22,205.19

Finding the Fourth Proportional to 39,203.64, 54,089.11 and 22,205.19

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Solution

The fourth proportional to 39,203.64, 54,089.11 and 22,205.19 is: 30,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203.64 : 54,089.11 = 22,205.19 : x
  2. Step 2: Convert to fraction form
    39,203.64/54,089.11 = 22,205.19/x
  3. Step 3: Cross multiply
    39,203.64x = 54,089.11 × 22,205.19
  4. Step 4: Simplify right side
    39,203.64x = 1,201,058,638.52
  5. Step 5: Solve for x
    x = 1,201,058,638.52/39,203.64
  6. Step 6: Final answer
    x = 30,636.40

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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.