Home / 39,788.78-59,673.89-11,701.32

Finding the Fourth Proportional to 39,788.78, 59,673.89 and 11,701.32

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Solution

The fourth proportional to 39,788.78, 59,673.89 and 11,701.32 is: 17,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,788.78 : 59,673.89 = 11,701.32 : x
  2. Step 2: Convert to fraction form
    39,788.78/59,673.89 = 11,701.32/x
  3. Step 3: Cross multiply
    39,788.78x = 59,673.89 × 11,701.32
  4. Step 4: Simplify right side
    39,788.78x = 698,263,282.53
  5. Step 5: Solve for x
    x = 698,263,282.53/39,788.78
  6. Step 6: Final answer
    x = 17,549.25

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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.