Home / 42,051.33-63,077.00-19,866.94

Finding the Fourth Proportional to 42,051.33, 63,077.00 and 19,866.94

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Solution

The fourth proportional to 42,051.33, 63,077.00 and 19,866.94 is: 29,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,051.33 : 63,077.00 = 19,866.94 : x
  2. Step 2: Convert to fraction form
    42,051.33/63,077.00 = 19,866.94/x
  3. Step 3: Cross multiply
    42,051.33x = 63,077.00 × 19,866.94
  4. Step 4: Simplify right side
    42,051.33x = 1,253,146,717.35
  5. Step 5: Solve for x
    x = 1,253,146,717.35/42,051.33
  6. Step 6: Final answer
    x = 29,800.41

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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.