Home / 30,288.48-41,798.50-16,860.30

Finding the Fourth Proportional to 30,288.48, 41,798.50 and 16,860.30

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Solution

The fourth proportional to 30,288.48, 41,798.50 and 16,860.30 is: 23,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.48 : 41,798.50 = 16,860.30 : x
  2. Step 2: Convert to fraction form
    30,288.48/41,798.50 = 16,860.30/x
  3. Step 3: Cross multiply
    30,288.48x = 41,798.50 × 16,860.30
  4. Step 4: Simplify right side
    30,288.48x = 704,735,249.55
  5. Step 5: Solve for x
    x = 704,735,249.55/30,288.48
  6. Step 6: Final answer
    x = 23,267.44

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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.