Home / 55,449.12-83,186.84-18,009.32

Finding the Fourth Proportional to 55,449.12, 83,186.84 and 18,009.32

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Solution

The fourth proportional to 55,449.12, 83,186.84 and 18,009.32 is: 27,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.12 : 83,186.84 = 18,009.32 : x
  2. Step 2: Convert to fraction form
    55,449.12/83,186.84 = 18,009.32/x
  3. Step 3: Cross multiply
    55,449.12x = 83,186.84 × 18,009.32
  4. Step 4: Simplify right side
    55,449.12x = 1,498,138,421.35
  5. Step 5: Solve for x
    x = 1,498,138,421.35/55,449.12
  6. Step 6: Final answer
    x = 27,018.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.