Home / 50,580.36-69,802.34-27,920.68

Finding the Fourth Proportional to 50,580.36, 69,802.34 and 27,920.68

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Solution

The fourth proportional to 50,580.36, 69,802.34 and 27,920.68 is: 38,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,580.36 : 69,802.34 = 27,920.68 : x
  2. Step 2: Convert to fraction form
    50,580.36/69,802.34 = 27,920.68/x
  3. Step 3: Cross multiply
    50,580.36x = 69,802.34 × 27,920.68
  4. Step 4: Simplify right side
    50,580.36x = 1,948,928,798.39
  5. Step 5: Solve for x
    x = 1,948,928,798.39/50,580.36
  6. Step 6: Final answer
    x = 38,531.34

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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.