Home / 37,718.95-52,052.16-20,724.28

Finding the Fourth Proportional to 37,718.95, 52,052.16 and 20,724.28

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Solution

The fourth proportional to 37,718.95, 52,052.16 and 20,724.28 is: 28,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,718.95 : 52,052.16 = 20,724.28 : x
  2. Step 2: Convert to fraction form
    37,718.95/52,052.16 = 20,724.28/x
  3. Step 3: Cross multiply
    37,718.95x = 52,052.16 × 20,724.28
  4. Step 4: Simplify right side
    37,718.95x = 1,078,743,174.56
  5. Step 5: Solve for x
    x = 1,078,743,174.56/37,718.95
  6. Step 6: Final answer
    x = 28,599.51

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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.