Home / 53,914.33-74,400.78-30,040.49

Finding the Fourth Proportional to 53,914.33, 74,400.78 and 30,040.49

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Solution

The fourth proportional to 53,914.33, 74,400.78 and 30,040.49 is: 41,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,914.33 : 74,400.78 = 30,040.49 : x
  2. Step 2: Convert to fraction form
    53,914.33/74,400.78 = 30,040.49/x
  3. Step 3: Cross multiply
    53,914.33x = 74,400.78 × 30,040.49
  4. Step 4: Simplify right side
    53,914.33x = 2,235,035,887.58
  5. Step 5: Solve for x
    x = 2,235,035,887.58/53,914.33
  6. Step 6: Final answer
    x = 41,455.32

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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.