Home / 39,015.85-53,837.98-22,018.45

Finding the Fourth Proportional to 39,015.85, 53,837.98 and 22,018.45

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Solution

The fourth proportional to 39,015.85, 53,837.98 and 22,018.45 is: 30,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.85 : 53,837.98 = 22,018.45 : x
  2. Step 2: Convert to fraction form
    39,015.85/53,837.98 = 22,018.45/x
  3. Step 3: Cross multiply
    39,015.85x = 53,837.98 × 22,018.45
  4. Step 4: Simplify right side
    39,015.85x = 1,185,429,032.85
  5. Step 5: Solve for x
    x = 1,185,429,032.85/39,015.85
  6. Step 6: Final answer
    x = 30,383.27

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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.