Home / 43,439.86-59,916.09-39,866.36

Finding the Fourth Proportional to 43,439.86, 59,916.09 and 39,866.36

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Solution

The fourth proportional to 43,439.86, 59,916.09 and 39,866.36 is: 54,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,439.86 : 59,916.09 = 39,866.36 : x
  2. Step 2: Convert to fraction form
    43,439.86/59,916.09 = 39,866.36/x
  3. Step 3: Cross multiply
    43,439.86x = 59,916.09 × 39,866.36
  4. Step 4: Simplify right side
    43,439.86x = 2,388,636,413.73
  5. Step 5: Solve for x
    x = 2,388,636,413.73/43,439.86
  6. Step 6: Final answer
    x = 54,987.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.