Home / 30,884.40-46,326.60-12,165.30

Finding the Fourth Proportional to 30,884.40, 46,326.60 and 12,165.30

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Solution

The fourth proportional to 30,884.40, 46,326.60 and 12,165.30 is: 18,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884.40 : 46,326.60 = 12,165.30 : x
  2. Step 2: Convert to fraction form
    30,884.40/46,326.60 = 12,165.30/x
  3. Step 3: Cross multiply
    30,884.40x = 46,326.60 × 12,165.30
  4. Step 4: Simplify right side
    30,884.40x = 563,576,986.98
  5. Step 5: Solve for x
    x = 563,576,986.98/30,884.40
  6. Step 6: Final answer
    x = 18,247.95

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1.5x scale

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.