Home / 39,994.51-55,193.66-22,090.68

Finding the Fourth Proportional to 39,994.51, 55,193.66 and 22,090.68

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Solution

The fourth proportional to 39,994.51, 55,193.66 and 22,090.68 is: 30,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.51 : 55,193.66 = 22,090.68 : x
  2. Step 2: Convert to fraction form
    39,994.51/55,193.66 = 22,090.68/x
  3. Step 3: Cross multiply
    39,994.51x = 55,193.66 × 22,090.68
  4. Step 4: Simplify right side
    39,994.51x = 1,219,265,094.67
  5. Step 5: Solve for x
    x = 1,219,265,094.67/39,994.51
  6. Step 6: Final answer
    x = 30,485.81

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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.