Home / 47,979.22-66,211.44-26,759.86

Finding the Fourth Proportional to 47,979.22, 66,211.44 and 26,759.86

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Solution

The fourth proportional to 47,979.22, 66,211.44 and 26,759.86 is: 36,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.22 : 66,211.44 = 26,759.86 : x
  2. Step 2: Convert to fraction form
    47,979.22/66,211.44 = 26,759.86/x
  3. Step 3: Cross multiply
    47,979.22x = 66,211.44 × 26,759.86
  4. Step 4: Simplify right side
    47,979.22x = 1,771,808,864.80
  5. Step 5: Solve for x
    x = 1,771,808,864.80/47,979.22
  6. Step 6: Final answer
    x = 36,928.67

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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.