Home / 55,029.36-82,556.28-19,968.24

Finding the Fourth Proportional to 55,029.36, 82,556.28 and 19,968.24

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Solution

The fourth proportional to 55,029.36, 82,556.28 and 19,968.24 is: 29,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,029.36 : 82,556.28 = 19,968.24 : x
  2. Step 2: Convert to fraction form
    55,029.36/82,556.28 = 19,968.24/x
  3. Step 3: Cross multiply
    55,029.36x = 82,556.28 × 19,968.24
  4. Step 4: Simplify right side
    55,029.36x = 1,648,503,612.55
  5. Step 5: Solve for x
    x = 1,648,503,612.55/55,029.36
  6. Step 6: Final answer
    x = 29,956.80

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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.