Home / 44,403.94-66,638.78-21,030.44

Finding the Fourth Proportional to 44,403.94, 66,638.78 and 21,030.44

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Solution

The fourth proportional to 44,403.94, 66,638.78 and 21,030.44 is: 31,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,403.94 : 66,638.78 = 21,030.44 : x
  2. Step 2: Convert to fraction form
    44,403.94/66,638.78 = 21,030.44/x
  3. Step 3: Cross multiply
    44,403.94x = 66,638.78 × 21,030.44
  4. Step 4: Simplify right side
    44,403.94x = 1,401,443,083.64
  5. Step 5: Solve for x
    x = 1,401,443,083.64/44,403.94
  6. Step 6: Final answer
    x = 31,561.23

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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.