Home / 42,403.14-63,594.43-12,823.36

Finding the Fourth Proportional to 42,403.14, 63,594.43 and 12,823.36

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Solution

The fourth proportional to 42,403.14, 63,594.43 and 12,823.36 is: 19,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,403.14 : 63,594.43 = 12,823.36 : x
  2. Step 2: Convert to fraction form
    42,403.14/63,594.43 = 12,823.36/x
  3. Step 3: Cross multiply
    42,403.14x = 63,594.43 × 12,823.36
  4. Step 4: Simplify right side
    42,403.14x = 815,494,078.84
  5. Step 5: Solve for x
    x = 815,494,078.84/42,403.14
  6. Step 6: Final answer
    x = 19,231.93

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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.