Home / 39,405.16-59,092.68-16,913.80

Finding the Fourth Proportional to 39,405.16, 59,092.68 and 16,913.80

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Solution

The fourth proportional to 39,405.16, 59,092.68 and 16,913.80 is: 25,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,405.16 : 59,092.68 = 16,913.80 : x
  2. Step 2: Convert to fraction form
    39,405.16/59,092.68 = 16,913.80/x
  3. Step 3: Cross multiply
    39,405.16x = 59,092.68 × 16,913.80
  4. Step 4: Simplify right side
    39,405.16x = 999,481,770.98
  5. Step 5: Solve for x
    x = 999,481,770.98/39,405.16
  6. Step 6: Final answer
    x = 25,364.24

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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.