Home / 39,100.48-58,662.88-11,398.72

Finding the Fourth Proportional to 39,100.48, 58,662.88 and 11,398.72

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Solution

The fourth proportional to 39,100.48, 58,662.88 and 11,398.72 is: 17,101.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.48 : 58,662.88 = 11,398.72 : x
  2. Step 2: Convert to fraction form
    39,100.48/58,662.88 = 11,398.72/x
  3. Step 3: Cross multiply
    39,100.48x = 58,662.88 × 11,398.72
  4. Step 4: Simplify right side
    39,100.48x = 668,681,743.51
  5. Step 5: Solve for x
    x = 668,681,743.51/39,100.48
  6. Step 6: Final answer
    x = 17,101.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.