Home / 42,551.16-63,826.70-19,150.26

Finding the Fourth Proportional to 42,551.16, 63,826.70 and 19,150.26

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Solution

The fourth proportional to 42,551.16, 63,826.70 and 19,150.26 is: 28,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,551.16 : 63,826.70 = 19,150.26 : x
  2. Step 2: Convert to fraction form
    42,551.16/63,826.70 = 19,150.26/x
  3. Step 3: Cross multiply
    42,551.16x = 63,826.70 × 19,150.26
  4. Step 4: Simplify right side
    42,551.16x = 1,222,297,899.94
  5. Step 5: Solve for x
    x = 1,222,297,899.94/42,551.16
  6. Step 6: Final answer
    x = 28,725.37

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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.