Home / 39,105.96-53,966.90-22,339.08

Finding the Fourth Proportional to 39,105.96, 53,966.90 and 22,339.08

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Solution

The fourth proportional to 39,105.96, 53,966.90 and 22,339.08 is: 30,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,105.96 : 53,966.90 = 22,339.08 : x
  2. Step 2: Convert to fraction form
    39,105.96/53,966.90 = 22,339.08/x
  3. Step 3: Cross multiply
    39,105.96x = 53,966.90 × 22,339.08
  4. Step 4: Simplify right side
    39,105.96x = 1,205,570,896.45
  5. Step 5: Solve for x
    x = 1,205,570,896.45/39,105.96
  6. Step 6: Final answer
    x = 30,828.32

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Double scale
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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.