Home / 39,511.62-59,290.80-14,569.20

Finding the Fourth Proportional to 39,511.62, 59,290.80 and 14,569.20

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Solution

The fourth proportional to 39,511.62, 59,290.80 and 14,569.20 is: 21,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,511.62 : 59,290.80 = 14,569.20 : x
  2. Step 2: Convert to fraction form
    39,511.62/59,290.80 = 14,569.20/x
  3. Step 3: Cross multiply
    39,511.62x = 59,290.80 × 14,569.20
  4. Step 4: Simplify right side
    39,511.62x = 863,819,523.36
  5. Step 5: Solve for x
    x = 863,819,523.36/39,511.62
  6. Step 6: Final answer
    x = 21,862.42

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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.