Home / 36,812.36-55,134.47-21,990.87

Finding the Fourth Proportional to 36,812.36, 55,134.47 and 21,990.87

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Solution

The fourth proportional to 36,812.36, 55,134.47 and 21,990.87 is: 32,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,812.36 : 55,134.47 = 21,990.87 : x
  2. Step 2: Convert to fraction form
    36,812.36/55,134.47 = 21,990.87/x
  3. Step 3: Cross multiply
    36,812.36x = 55,134.47 × 21,990.87
  4. Step 4: Simplify right side
    36,812.36x = 1,212,454,852.33
  5. Step 5: Solve for x
    x = 1,212,454,852.33/36,812.36
  6. Step 6: Final answer
    x = 32,936.08

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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.