Home / 54,561.66-81,873.18-21,284.04

Finding the Fourth Proportional to 54,561.66, 81,873.18 and 21,284.04

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Solution

The fourth proportional to 54,561.66, 81,873.18 and 21,284.04 is: 31,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,561.66 : 81,873.18 = 21,284.04 : x
  2. Step 2: Convert to fraction form
    54,561.66/81,873.18 = 21,284.04/x
  3. Step 3: Cross multiply
    54,561.66x = 81,873.18 × 21,284.04
  4. Step 4: Simplify right side
    54,561.66x = 1,742,592,038.05
  5. Step 5: Solve for x
    x = 1,742,592,038.05/54,561.66
  6. Step 6: Final answer
    x = 31,938.03

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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.