Home / 33,271.57-45,913.17-18,930.07

Finding the Fourth Proportional to 33,271.57, 45,913.17 and 18,930.07

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Solution

The fourth proportional to 33,271.57, 45,913.17 and 18,930.07 is: 26,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,271.57 : 45,913.17 = 18,930.07 : x
  2. Step 2: Convert to fraction form
    33,271.57/45,913.17 = 18,930.07/x
  3. Step 3: Cross multiply
    33,271.57x = 45,913.17 × 18,930.07
  4. Step 4: Simplify right side
    33,271.57x = 869,139,522.02
  5. Step 5: Solve for x
    x = 869,139,522.02/33,271.57
  6. Step 6: Final answer
    x = 26,122.59

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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.