Home / 54,020.73-81,031.10-14,577.84

Finding the Fourth Proportional to 54,020.73, 81,031.10 and 14,577.84

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Solution

The fourth proportional to 54,020.73, 81,031.10 and 14,577.84 is: 21,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,020.73 : 81,031.10 = 14,577.84 : x
  2. Step 2: Convert to fraction form
    54,020.73/81,031.10 = 14,577.84/x
  3. Step 3: Cross multiply
    54,020.73x = 81,031.10 × 14,577.84
  4. Step 4: Simplify right side
    54,020.73x = 1,181,258,337.93
  5. Step 5: Solve for x
    x = 1,181,258,337.93/54,020.73
  6. Step 6: Final answer
    x = 21,866.76

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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.