Home / 39,876.69-54,991.45-26,240.34

Finding the Fourth Proportional to 39,876.69, 54,991.45 and 26,240.34

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Solution

The fourth proportional to 39,876.69, 54,991.45 and 26,240.34 is: 36,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.69 : 54,991.45 = 26,240.34 : x
  2. Step 2: Convert to fraction form
    39,876.69/54,991.45 = 26,240.34/x
  3. Step 3: Cross multiply
    39,876.69x = 54,991.45 × 26,240.34
  4. Step 4: Simplify right side
    39,876.69x = 1,442,994,345.09
  5. Step 5: Solve for x
    x = 1,442,994,345.09/39,876.69
  6. Step 6: Final answer
    x = 36,186.41

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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.