Home / 30,045.16-45,028.28-22,110.52

Finding the Fourth Proportional to 30,045.16, 45,028.28 and 22,110.52

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Solution

The fourth proportional to 30,045.16, 45,028.28 and 22,110.52 is: 33,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.16 : 45,028.28 = 22,110.52 : x
  2. Step 2: Convert to fraction form
    30,045.16/45,028.28 = 22,110.52/x
  3. Step 3: Cross multiply
    30,045.16x = 45,028.28 × 22,110.52
  4. Step 4: Simplify right side
    30,045.16x = 995,598,685.51
  5. Step 5: Solve for x
    x = 995,598,685.51/30,045.16
  6. Step 6: Final answer
    x = 33,136.74

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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.