Home / 39,105.18-53,969.49-22,338.18

Finding the Fourth Proportional to 39,105.18, 53,969.49 and 22,338.18

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Solution

The fourth proportional to 39,105.18, 53,969.49 and 22,338.18 is: 30,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,105.18 : 53,969.49 = 22,338.18 : x
  2. Step 2: Convert to fraction form
    39,105.18/53,969.49 = 22,338.18/x
  3. Step 3: Cross multiply
    39,105.18x = 53,969.49 × 22,338.18
  4. Step 4: Simplify right side
    39,105.18x = 1,205,580,182.13
  5. Step 5: Solve for x
    x = 1,205,580,182.13/39,105.18
  6. Step 6: Final answer
    x = 30,829.17

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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.