Home / 39,202.55-54,095.61-22,203.40

Finding the Fourth Proportional to 39,202.55, 54,095.61 and 22,203.40

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Solution

The fourth proportional to 39,202.55, 54,095.61 and 22,203.40 is: 30,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.55 : 54,095.61 = 22,203.40 : x
  2. Step 2: Convert to fraction form
    39,202.55/54,095.61 = 22,203.40/x
  3. Step 3: Cross multiply
    39,202.55x = 54,095.61 × 22,203.40
  4. Step 4: Simplify right side
    39,202.55x = 1,201,106,516.53
  5. Step 5: Solve for x
    x = 1,201,106,516.53/39,202.55
  6. Step 6: Final answer
    x = 30,638.48

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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.