Home / 39,015.46-53,841.99-22,020.58

Finding the Fourth Proportional to 39,015.46, 53,841.99 and 22,020.58

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Solution

The fourth proportional to 39,015.46, 53,841.99 and 22,020.58 is: 30,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.46 : 53,841.99 = 22,020.58 : x
  2. Step 2: Convert to fraction form
    39,015.46/53,841.99 = 22,020.58/x
  3. Step 3: Cross multiply
    39,015.46x = 53,841.99 × 22,020.58
  4. Step 4: Simplify right side
    39,015.46x = 1,185,631,848.15
  5. Step 5: Solve for x
    x = 1,185,631,848.15/39,015.46
  6. Step 6: Final answer
    x = 30,388.77

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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.