Home / 39,546-54,583.20-22,788.72

Finding the Fourth Proportional to 39,546, 54,583.20 and 22,788.72

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Solution

The fourth proportional to 39,546, 54,583.20 and 22,788.72 is: 31,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,546 : 54,583.20 = 22,788.72 : x
  2. Step 2: Convert to fraction form
    39,546/54,583.20 = 22,788.72/x
  3. Step 3: Cross multiply
    39,546x = 54,583.20 × 22,788.72
  4. Step 4: Simplify right side
    39,546x = 1,243,881,261.50
  5. Step 5: Solve for x
    x = 1,243,881,261.50/39,546
  6. Step 6: Final answer
    x = 31,454.03

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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.