Home / 33,002.10-45,530.93-21,677.72

Finding the Fourth Proportional to 33,002.10, 45,530.93 and 21,677.72

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Solution

The fourth proportional to 33,002.10, 45,530.93 and 21,677.72 is: 29,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,002.10 : 45,530.93 = 21,677.72 : x
  2. Step 2: Convert to fraction form
    33,002.10/45,530.93 = 21,677.72/x
  3. Step 3: Cross multiply
    33,002.10x = 45,530.93 × 21,677.72
  4. Step 4: Simplify right side
    33,002.10x = 987,006,751.88
  5. Step 5: Solve for x
    x = 987,006,751.88/33,002.10
  6. Step 6: Final answer
    x = 29,907.39

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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.