Home / 36,009.36-49,708.08-21,866.76

Finding the Fourth Proportional to 36,009.36, 49,708.08 and 21,866.76

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Solution

The fourth proportional to 36,009.36, 49,708.08 and 21,866.76 is: 30,185.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009.36 : 49,708.08 = 21,866.76 : x
  2. Step 2: Convert to fraction form
    36,009.36/49,708.08 = 21,866.76/x
  3. Step 3: Cross multiply
    36,009.36x = 49,708.08 × 21,866.76
  4. Step 4: Simplify right side
    36,009.36x = 1,086,954,655.42
  5. Step 5: Solve for x
    x = 1,086,954,655.42/36,009.36
  6. Step 6: Final answer
    x = 30,185.34

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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.