Home / 55,780.36-83,670.40-26,198.08

Finding the Fourth Proportional to 55,780.36, 83,670.40 and 26,198.08

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Solution

The fourth proportional to 55,780.36, 83,670.40 and 26,198.08 is: 39,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780.36 : 83,670.40 = 26,198.08 : x
  2. Step 2: Convert to fraction form
    55,780.36/83,670.40 = 26,198.08/x
  3. Step 3: Cross multiply
    55,780.36x = 83,670.40 × 26,198.08
  4. Step 4: Simplify right side
    55,780.36x = 2,192,003,832.83
  5. Step 5: Solve for x
    x = 2,192,003,832.83/55,780.36
  6. Step 6: Final answer
    x = 39,297.05

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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.