Home / 30,289.24-41,798.60-16,860.40

Finding the Fourth Proportional to 30,289.24, 41,798.60 and 16,860.40

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Solution

The fourth proportional to 30,289.24, 41,798.60 and 16,860.40 is: 23,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.24 : 41,798.60 = 16,860.40 : x
  2. Step 2: Convert to fraction form
    30,289.24/41,798.60 = 16,860.40/x
  3. Step 3: Cross multiply
    30,289.24x = 41,798.60 × 16,860.40
  4. Step 4: Simplify right side
    30,289.24x = 704,741,115.44
  5. Step 5: Solve for x
    x = 704,741,115.44/30,289.24
  6. Step 6: Final answer
    x = 23,267.05

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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.