Home / 44,520.38-66,770.09-12,922.10

Finding the Fourth Proportional to 44,520.38, 66,770.09 and 12,922.10

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Solution

The fourth proportional to 44,520.38, 66,770.09 and 12,922.10 is: 19,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,520.38 : 66,770.09 = 12,922.10 : x
  2. Step 2: Convert to fraction form
    44,520.38/66,770.09 = 12,922.10/x
  3. Step 3: Cross multiply
    44,520.38x = 66,770.09 × 12,922.10
  4. Step 4: Simplify right side
    44,520.38x = 862,809,779.99
  5. Step 5: Solve for x
    x = 862,809,779.99/44,520.38
  6. Step 6: Final answer
    x = 19,380.11

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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.