Home / 53,878.77-74,355.01-30,005.44

Finding the Fourth Proportional to 53,878.77, 74,355.01 and 30,005.44

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Solution

The fourth proportional to 53,878.77, 74,355.01 and 30,005.44 is: 41,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,878.77 : 74,355.01 = 30,005.44 : x
  2. Step 2: Convert to fraction form
    53,878.77/74,355.01 = 30,005.44/x
  3. Step 3: Cross multiply
    53,878.77x = 74,355.01 × 30,005.44
  4. Step 4: Simplify right side
    53,878.77x = 2,231,054,699.13
  5. Step 5: Solve for x
    x = 2,231,054,699.13/53,878.77
  6. Step 6: Final answer
    x = 41,408.79

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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.