Home / 44,020.72-66,034.32-12,856.84

Finding the Fourth Proportional to 44,020.72, 66,034.32 and 12,856.84

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Solution

The fourth proportional to 44,020.72, 66,034.32 and 12,856.84 is: 19,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,020.72 : 66,034.32 = 12,856.84 : x
  2. Step 2: Convert to fraction form
    44,020.72/66,034.32 = 12,856.84/x
  3. Step 3: Cross multiply
    44,020.72x = 66,034.32 × 12,856.84
  4. Step 4: Simplify right side
    44,020.72x = 848,992,686.75
  5. Step 5: Solve for x
    x = 848,992,686.75/44,020.72
  6. Step 6: Final answer
    x = 19,286.21

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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.