Home / 55,514.06-83,270.32-13,393.79

Finding the Fourth Proportional to 55,514.06, 83,270.32 and 13,393.79

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Solution

The fourth proportional to 55,514.06, 83,270.32 and 13,393.79 is: 20,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.06 : 83,270.32 = 13,393.79 : x
  2. Step 2: Convert to fraction form
    55,514.06/83,270.32 = 13,393.79/x
  3. Step 3: Cross multiply
    55,514.06x = 83,270.32 × 13,393.79
  4. Step 4: Simplify right side
    55,514.06x = 1,115,305,119.12
  5. Step 5: Solve for x
    x = 1,115,305,119.12/55,514.06
  6. Step 6: Final answer
    x = 20,090.50

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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.