Home / 40,036.22-55,249.98-21,887.01

Finding the Fourth Proportional to 40,036.22, 55,249.98 and 21,887.01

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Solution

The fourth proportional to 40,036.22, 55,249.98 and 21,887.01 is: 30,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,036.22 : 55,249.98 = 21,887.01 : x
  2. Step 2: Convert to fraction form
    40,036.22/55,249.98 = 21,887.01/x
  3. Step 3: Cross multiply
    40,036.22x = 55,249.98 × 21,887.01
  4. Step 4: Simplify right side
    40,036.22x = 1,209,256,864.76
  5. Step 5: Solve for x
    x = 1,209,256,864.76/40,036.22
  6. Step 6: Final answer
    x = 30,204.08

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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.