Home / 35,054.78-48,375.23-19,139.18

Finding the Fourth Proportional to 35,054.78, 48,375.23 and 19,139.18

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Solution

The fourth proportional to 35,054.78, 48,375.23 and 19,139.18 is: 26,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,054.78 : 48,375.23 = 19,139.18 : x
  2. Step 2: Convert to fraction form
    35,054.78/48,375.23 = 19,139.18/x
  3. Step 3: Cross multiply
    35,054.78x = 48,375.23 × 19,139.18
  4. Step 4: Simplify right side
    35,054.78x = 925,862,234.51
  5. Step 5: Solve for x
    x = 925,862,234.51/35,054.78
  6. Step 6: Final answer
    x = 26,411.87

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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.