Home / 53,940.78-74,438.62-30,068.96

Finding the Fourth Proportional to 53,940.78, 74,438.62 and 30,068.96

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Solution

The fourth proportional to 53,940.78, 74,438.62 and 30,068.96 is: 41,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.78 : 74,438.62 = 30,068.96 : x
  2. Step 2: Convert to fraction form
    53,940.78/74,438.62 = 30,068.96/x
  3. Step 3: Cross multiply
    53,940.78x = 74,438.62 × 30,068.96
  4. Step 4: Simplify right side
    53,940.78x = 2,238,291,887.24
  5. Step 5: Solve for x
    x = 2,238,291,887.24/53,940.78
  6. Step 6: Final answer
    x = 41,495.36

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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.