Home / 55,615.66-83,422.80-13,496.09

Finding the Fourth Proportional to 55,615.66, 83,422.80 and 13,496.09

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Solution

The fourth proportional to 55,615.66, 83,422.80 and 13,496.09 is: 20,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.66 : 83,422.80 = 13,496.09 : x
  2. Step 2: Convert to fraction form
    55,615.66/83,422.80 = 13,496.09/x
  3. Step 3: Cross multiply
    55,615.66x = 83,422.80 × 13,496.09
  4. Step 4: Simplify right side
    55,615.66x = 1,125,881,616.85
  5. Step 5: Solve for x
    x = 1,125,881,616.85/55,615.66
  6. Step 6: Final answer
    x = 20,243.97

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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.