Home / 39,941.80-55,119.40-22,037.56

Finding the Fourth Proportional to 39,941.80, 55,119.40 and 22,037.56

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Solution

The fourth proportional to 39,941.80, 55,119.40 and 22,037.56 is: 30,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.80 : 55,119.40 = 22,037.56 : x
  2. Step 2: Convert to fraction form
    39,941.80/55,119.40 = 22,037.56/x
  3. Step 3: Cross multiply
    39,941.80x = 55,119.40 × 22,037.56
  4. Step 4: Simplify right side
    39,941.80x = 1,214,697,084.66
  5. Step 5: Solve for x
    x = 1,214,697,084.66/39,941.80
  6. Step 6: Final answer
    x = 30,411.68

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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.