Home / 39,941.90-55,119.42-22,037.03

Finding the Fourth Proportional to 39,941.90, 55,119.42 and 22,037.03

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Solution

The fourth proportional to 39,941.90, 55,119.42 and 22,037.03 is: 30,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.90 : 55,119.42 = 22,037.03 : x
  2. Step 2: Convert to fraction form
    39,941.90/55,119.42 = 22,037.03/x
  3. Step 3: Cross multiply
    39,941.90x = 55,119.42 × 22,037.03
  4. Step 4: Simplify right side
    39,941.90x = 1,214,668,312.12
  5. Step 5: Solve for x
    x = 1,214,668,312.12/39,941.90
  6. Step 6: Final answer
    x = 30,410.88

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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.