Home / 39,079.54-53,900-33,637.87

Finding the Fourth Proportional to 39,079.54, 53,900 and 33,637.87

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Solution

The fourth proportional to 39,079.54, 53,900 and 33,637.87 is: 46,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,079.54 : 53,900 = 33,637.87 : x
  2. Step 2: Convert to fraction form
    39,079.54/53,900 = 33,637.87/x
  3. Step 3: Cross multiply
    39,079.54x = 53,900 × 33,637.87
  4. Step 4: Simplify right side
    39,079.54x = 1,813,081,193.00
  5. Step 5: Solve for x
    x = 1,813,081,193.00/39,079.54
  6. Step 6: Final answer
    x = 46,394.64

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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.