Home / 54,402.48-81,603.60-19,343.52

Finding the Fourth Proportional to 54,402.48, 81,603.60 and 19,343.52

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Solution

The fourth proportional to 54,402.48, 81,603.60 and 19,343.52 is: 29,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,402.48 : 81,603.60 = 19,343.52 : x
  2. Step 2: Convert to fraction form
    54,402.48/81,603.60 = 19,343.52/x
  3. Step 3: Cross multiply
    54,402.48x = 81,603.60 × 19,343.52
  4. Step 4: Simplify right side
    54,402.48x = 1,578,500,868.67
  5. Step 5: Solve for x
    x = 1,578,500,868.67/54,402.48
  6. Step 6: Final answer
    x = 29,015.24

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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.