Home / 81,738.36-122,614.62-22,574.07

Finding the Fourth Proportional to 81,738.36, 122,614.62 and 22,574.07

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Solution

The fourth proportional to 81,738.36, 122,614.62 and 22,574.07 is: 33,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738.36 : 122,614.62 = 22,574.07 : x
  2. Step 2: Convert to fraction form
    81,738.36/122,614.62 = 22,574.07/x
  3. Step 3: Cross multiply
    81,738.36x = 122,614.62 × 22,574.07
  4. Step 4: Simplify right side
    81,738.36x = 2,767,911,014.90
  5. Step 5: Solve for x
    x = 2,767,911,014.90/81,738.36
  6. Step 6: Final answer
    x = 33,863.06

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1.5x scale

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.