Home / 45,273.03-67,922.51-21,912.63

Finding the Fourth Proportional to 45,273.03, 67,922.51 and 21,912.63

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Solution

The fourth proportional to 45,273.03, 67,922.51 and 21,912.63 is: 32,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,273.03 : 67,922.51 = 21,912.63 : x
  2. Step 2: Convert to fraction form
    45,273.03/67,922.51 = 21,912.63/x
  3. Step 3: Cross multiply
    45,273.03x = 67,922.51 × 21,912.63
  4. Step 4: Simplify right side
    45,273.03x = 1,488,360,720.74
  5. Step 5: Solve for x
    x = 1,488,360,720.74/45,273.03
  6. Step 6: Final answer
    x = 32,875.22

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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.