Home / 39,706.11-54,757.87-26,978.35

Finding the Fourth Proportional to 39,706.11, 54,757.87 and 26,978.35

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Solution

The fourth proportional to 39,706.11, 54,757.87 and 26,978.35 is: 37,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,706.11 : 54,757.87 = 26,978.35 : x
  2. Step 2: Convert to fraction form
    39,706.11/54,757.87 = 26,978.35/x
  3. Step 3: Cross multiply
    39,706.11x = 54,757.87 × 26,978.35
  4. Step 4: Simplify right side
    39,706.11x = 1,477,276,914.67
  5. Step 5: Solve for x
    x = 1,477,276,914.67/39,706.11
  6. Step 6: Final answer
    x = 37,205.28

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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.