Home / 30,045.79-45,029.24-22,111.15

Finding the Fourth Proportional to 30,045.79, 45,029.24 and 22,111.15

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Solution

The fourth proportional to 30,045.79, 45,029.24 and 22,111.15 is: 33,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.79 : 45,029.24 = 22,111.15 : x
  2. Step 2: Convert to fraction form
    30,045.79/45,029.24 = 22,111.15/x
  3. Step 3: Cross multiply
    30,045.79x = 45,029.24 × 22,111.15
  4. Step 4: Simplify right side
    30,045.79x = 995,647,944.32
  5. Step 5: Solve for x
    x = 995,647,944.32/30,045.79
  6. Step 6: Final answer
    x = 33,137.69

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1.5x scale

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.