Home / 30,045.66-45,029.04-22,111.02

Finding the Fourth Proportional to 30,045.66, 45,029.04 and 22,111.02

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Solution

The fourth proportional to 30,045.66, 45,029.04 and 22,111.02 is: 33,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.66 : 45,029.04 = 22,111.02 : x
  2. Step 2: Convert to fraction form
    30,045.66/45,029.04 = 22,111.02/x
  3. Step 3: Cross multiply
    30,045.66x = 45,029.04 × 22,111.02
  4. Step 4: Simplify right side
    30,045.66x = 995,638,004.02
  5. Step 5: Solve for x
    x = 995,638,004.02/30,045.66
  6. Step 6: Final answer
    x = 33,137.50

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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.