Home / 63,945.22-88,208.22-40,030.36

Finding the Fourth Proportional to 63,945.22, 88,208.22 and 40,030.36

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Solution

The fourth proportional to 63,945.22, 88,208.22 and 40,030.36 is: 55,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,945.22 : 88,208.22 = 40,030.36 : x
  2. Step 2: Convert to fraction form
    63,945.22/88,208.22 = 40,030.36/x
  3. Step 3: Cross multiply
    63,945.22x = 88,208.22 × 40,030.36
  4. Step 4: Simplify right side
    63,945.22x = 3,531,006,801.56
  5. Step 5: Solve for x
    x = 3,531,006,801.56/63,945.22
  6. Step 6: Final answer
    x = 55,219.25

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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.