Home / 49,460.19-74,193.71-19,878.05

Finding the Fourth Proportional to 49,460.19, 74,193.71 and 19,878.05

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Solution

The fourth proportional to 49,460.19, 74,193.71 and 19,878.05 is: 29,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,460.19 : 74,193.71 = 19,878.05 : x
  2. Step 2: Convert to fraction form
    49,460.19/74,193.71 = 19,878.05/x
  3. Step 3: Cross multiply
    49,460.19x = 74,193.71 × 19,878.05
  4. Step 4: Simplify right side
    49,460.19x = 1,474,826,277.07
  5. Step 5: Solve for x
    x = 1,474,826,277.07/49,460.19
  6. Step 6: Final answer
    x = 29,818.45

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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.