Home / 54,760.21-75,562.75-30,887.28

Finding the Fourth Proportional to 54,760.21, 75,562.75 and 30,887.28

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Solution

The fourth proportional to 54,760.21, 75,562.75 and 30,887.28 is: 42,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,760.21 : 75,562.75 = 30,887.28 : x
  2. Step 2: Convert to fraction form
    54,760.21/75,562.75 = 30,887.28/x
  3. Step 3: Cross multiply
    54,760.21x = 75,562.75 × 30,887.28
  4. Step 4: Simplify right side
    54,760.21x = 2,333,927,928.51
  5. Step 5: Solve for x
    x = 2,333,927,928.51/54,760.21
  6. Step 6: Final answer
    x = 42,620.87

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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.