Home / 39,015.36-53,841.38-22,020.32

Finding the Fourth Proportional to 39,015.36, 53,841.38 and 22,020.32

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Solution

The fourth proportional to 39,015.36, 53,841.38 and 22,020.32 is: 30,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.36 : 53,841.38 = 22,020.32 : x
  2. Step 2: Convert to fraction form
    39,015.36/53,841.38 = 22,020.32/x
  3. Step 3: Cross multiply
    39,015.36x = 53,841.38 × 22,020.32
  4. Step 4: Simplify right side
    39,015.36x = 1,185,604,120.11
  5. Step 5: Solve for x
    x = 1,185,604,120.11/39,015.36
  6. Step 6: Final answer
    x = 30,388.14

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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.