Home / 54,362.99-75,024.36-30,491.20

Finding the Fourth Proportional to 54,362.99, 75,024.36 and 30,491.20

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Solution

The fourth proportional to 54,362.99, 75,024.36 and 30,491.20 is: 42,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,362.99 : 75,024.36 = 30,491.20 : x
  2. Step 2: Convert to fraction form
    54,362.99/75,024.36 = 30,491.20/x
  3. Step 3: Cross multiply
    54,362.99x = 75,024.36 × 30,491.20
  4. Step 4: Simplify right side
    54,362.99x = 2,287,582,765.63
  5. Step 5: Solve for x
    x = 2,287,582,765.63/54,362.99
  6. Step 6: Final answer
    x = 42,079.78

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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.