Home / 39,893.36-55,048.38-22,893.08

Finding the Fourth Proportional to 39,893.36, 55,048.38 and 22,893.08

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Solution

The fourth proportional to 39,893.36, 55,048.38 and 22,893.08 is: 31,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,893.36 : 55,048.38 = 22,893.08 : x
  2. Step 2: Convert to fraction form
    39,893.36/55,048.38 = 22,893.08/x
  3. Step 3: Cross multiply
    39,893.36x = 55,048.38 × 22,893.08
  4. Step 4: Simplify right side
    39,893.36x = 1,260,226,967.21
  5. Step 5: Solve for x
    x = 1,260,226,967.21/39,893.36
  6. Step 6: Final answer
    x = 31,589.89

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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.