Home / 54,984.84-75,897.36-39,115.32

Finding the Fourth Proportional to 54,984.84, 75,897.36 and 39,115.32

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Solution

The fourth proportional to 54,984.84, 75,897.36 and 39,115.32 is: 53,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,984.84 : 75,897.36 = 39,115.32 : x
  2. Step 2: Convert to fraction form
    54,984.84/75,897.36 = 39,115.32/x
  3. Step 3: Cross multiply
    54,984.84x = 75,897.36 × 39,115.32
  4. Step 4: Simplify right side
    54,984.84x = 2,968,749,523.56
  5. Step 5: Solve for x
    x = 2,968,749,523.56/54,984.84
  6. Step 6: Final answer
    x = 53,992.15

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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.