Home / 34,389.80-51,594.30-16,860.20

Finding the Fourth Proportional to 34,389.80, 51,594.30 and 16,860.20

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Solution

The fourth proportional to 34,389.80, 51,594.30 and 16,860.20 is: 25,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,389.80 : 51,594.30 = 16,860.20 : x
  2. Step 2: Convert to fraction form
    34,389.80/51,594.30 = 16,860.20/x
  3. Step 3: Cross multiply
    34,389.80x = 51,594.30 × 16,860.20
  4. Step 4: Simplify right side
    34,389.80x = 869,890,216.86
  5. Step 5: Solve for x
    x = 869,890,216.86/34,389.80
  6. Step 6: Final answer
    x = 25,295.01

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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.