Home / 33,222.48-45,862.38-20,477.94

Finding the Fourth Proportional to 33,222.48, 45,862.38 and 20,477.94

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Solution

The fourth proportional to 33,222.48, 45,862.38 and 20,477.94 is: 28,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,222.48 : 45,862.38 = 20,477.94 : x
  2. Step 2: Convert to fraction form
    33,222.48/45,862.38 = 20,477.94/x
  3. Step 3: Cross multiply
    33,222.48x = 45,862.38 × 20,477.94
  4. Step 4: Simplify right side
    33,222.48x = 939,167,065.90
  5. Step 5: Solve for x
    x = 939,167,065.90/33,222.48
  6. Step 6: Final answer
    x = 28,269.02

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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.