Home / 55,028.36-82,554.78-19,967.24

Finding the Fourth Proportional to 55,028.36, 82,554.78 and 19,967.24

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Solution

The fourth proportional to 55,028.36, 82,554.78 and 19,967.24 is: 29,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,028.36 : 82,554.78 = 19,967.24 : x
  2. Step 2: Convert to fraction form
    55,028.36/82,554.78 = 19,967.24/x
  3. Step 3: Cross multiply
    55,028.36x = 82,554.78 × 19,967.24
  4. Step 4: Simplify right side
    55,028.36x = 1,648,391,105.41
  5. Step 5: Solve for x
    x = 1,648,391,105.41/55,028.36
  6. Step 6: Final answer
    x = 29,955.30

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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.