Home / 53,895.36-74,375.46-30,021.78

Finding the Fourth Proportional to 53,895.36, 74,375.46 and 30,021.78

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Solution

The fourth proportional to 53,895.36, 74,375.46 and 30,021.78 is: 41,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.36 : 74,375.46 = 30,021.78 : x
  2. Step 2: Convert to fraction form
    53,895.36/74,375.46 = 30,021.78/x
  3. Step 3: Cross multiply
    53,895.36x = 74,375.46 × 30,021.78
  4. Step 4: Simplify right side
    53,895.36x = 2,232,883,697.52
  5. Step 5: Solve for x
    x = 2,232,883,697.52/53,895.36
  6. Step 6: Final answer
    x = 41,429.98

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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.