Home / 39,015.36-53,841.28-22,249.28

Finding the Fourth Proportional to 39,015.36, 53,841.28 and 22,249.28

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Solution

The fourth proportional to 39,015.36, 53,841.28 and 22,249.28 is: 30,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.36 : 53,841.28 = 22,249.28 : x
  2. Step 2: Convert to fraction form
    39,015.36/53,841.28 = 22,249.28/x
  3. Step 3: Cross multiply
    39,015.36x = 53,841.28 × 22,249.28
  4. Step 4: Simplify right side
    39,015.36x = 1,197,929,714.28
  5. Step 5: Solve for x
    x = 1,197,929,714.28/39,015.36
  6. Step 6: Final answer
    x = 30,704.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.