Home / 54,622.16-81,941.88-19,561.04

Finding the Fourth Proportional to 54,622.16, 81,941.88 and 19,561.04

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Solution

The fourth proportional to 54,622.16, 81,941.88 and 19,561.04 is: 29,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,622.16 : 81,941.88 = 19,561.04 : x
  2. Step 2: Convert to fraction form
    54,622.16/81,941.88 = 19,561.04/x
  3. Step 3: Cross multiply
    54,622.16x = 81,941.88 × 19,561.04
  4. Step 4: Simplify right side
    54,622.16x = 1,602,868,392.36
  5. Step 5: Solve for x
    x = 1,602,868,392.36/54,622.16
  6. Step 6: Final answer
    x = 29,344.65

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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.