Home / 35,853.68-53,689.80-19,152.56

Finding the Fourth Proportional to 35,853.68, 53,689.80 and 19,152.56

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Solution

The fourth proportional to 35,853.68, 53,689.80 and 19,152.56 is: 28,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.68 : 53,689.80 = 19,152.56 : x
  2. Step 2: Convert to fraction form
    35,853.68/53,689.80 = 19,152.56/x
  3. Step 3: Cross multiply
    35,853.68x = 53,689.80 × 19,152.56
  4. Step 4: Simplify right side
    35,853.68x = 1,028,297,115.89
  5. Step 5: Solve for x
    x = 1,028,297,115.89/35,853.68
  6. Step 6: Final answer
    x = 28,680.38

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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.