Home / 54,627.40-81,941.10-19,566.28

Finding the Fourth Proportional to 54,627.40, 81,941.10 and 19,566.28

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Solution

The fourth proportional to 54,627.40, 81,941.10 and 19,566.28 is: 29,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.40 : 81,941.10 = 19,566.28 : x
  2. Step 2: Convert to fraction form
    54,627.40/81,941.10 = 19,566.28/x
  3. Step 3: Cross multiply
    54,627.40x = 81,941.10 × 19,566.28
  4. Step 4: Simplify right side
    54,627.40x = 1,603,282,506.11
  5. Step 5: Solve for x
    x = 1,603,282,506.11/54,627.40
  6. Step 6: Final answer
    x = 29,349.42

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Similar ratio
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1.5x scale

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.