Home / 42,214.98-63,320.23-15,918.02

Finding the Fourth Proportional to 42,214.98, 63,320.23 and 15,918.02

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Solution

The fourth proportional to 42,214.98, 63,320.23 and 15,918.02 is: 23,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,214.98 : 63,320.23 = 15,918.02 : x
  2. Step 2: Convert to fraction form
    42,214.98/63,320.23 = 15,918.02/x
  3. Step 3: Cross multiply
    42,214.98x = 63,320.23 × 15,918.02
  4. Step 4: Simplify right side
    42,214.98x = 1,007,932,687.54
  5. Step 5: Solve for x
    x = 1,007,932,687.54/42,214.98
  6. Step 6: Final answer
    x = 23,876.19

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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.