Home / 54,334.79-81,495.26-21,032.07

Finding the Fourth Proportional to 54,334.79, 81,495.26 and 21,032.07

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Solution

The fourth proportional to 54,334.79, 81,495.26 and 21,032.07 is: 31,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,334.79 : 81,495.26 = 21,032.07 : x
  2. Step 2: Convert to fraction form
    54,334.79/81,495.26 = 21,032.07/x
  3. Step 3: Cross multiply
    54,334.79x = 81,495.26 × 21,032.07
  4. Step 4: Simplify right side
    54,334.79x = 1,714,014,012.99
  5. Step 5: Solve for x
    x = 1,714,014,012.99/54,334.79
  6. Step 6: Final answer
    x = 31,545.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.