Home / 39,994.68-55,192.32-22,090.92

Finding the Fourth Proportional to 39,994.68, 55,192.32 and 22,090.92

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Solution

The fourth proportional to 39,994.68, 55,192.32 and 22,090.92 is: 30,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.68 : 55,192.32 = 22,090.92 : x
  2. Step 2: Convert to fraction form
    39,994.68/55,192.32 = 22,090.92/x
  3. Step 3: Cross multiply
    39,994.68x = 55,192.32 × 22,090.92
  4. Step 4: Simplify right side
    39,994.68x = 1,219,249,125.73
  5. Step 5: Solve for x
    x = 1,219,249,125.73/39,994.68
  6. Step 6: Final answer
    x = 30,485.28

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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.