Home / 45,912.37-68,888.16-19,264.97

Finding the Fourth Proportional to 45,912.37, 68,888.16 and 19,264.97

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Solution

The fourth proportional to 45,912.37, 68,888.16 and 19,264.97 is: 28,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,912.37 : 68,888.16 = 19,264.97 : x
  2. Step 2: Convert to fraction form
    45,912.37/68,888.16 = 19,264.97/x
  3. Step 3: Cross multiply
    45,912.37x = 68,888.16 × 19,264.97
  4. Step 4: Simplify right side
    45,912.37x = 1,327,128,335.76
  5. Step 5: Solve for x
    x = 1,327,128,335.76/45,912.37
  6. Step 6: Final answer
    x = 28,905.68

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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.