Home / 54,754.68-75,556.89-30,887.22

Finding the Fourth Proportional to 54,754.68, 75,556.89 and 30,887.22

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Solution

The fourth proportional to 54,754.68, 75,556.89 and 30,887.22 is: 42,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.68 : 75,556.89 = 30,887.22 : x
  2. Step 2: Convert to fraction form
    54,754.68/75,556.89 = 30,887.22/x
  3. Step 3: Cross multiply
    54,754.68x = 75,556.89 × 30,887.22
  4. Step 4: Simplify right side
    54,754.68x = 2,333,742,283.95
  5. Step 5: Solve for x
    x = 2,333,742,283.95/54,754.68
  6. Step 6: Final answer
    x = 42,621.79

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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.