Home / 66,376.74-99,528.19-21,979.27

Finding the Fourth Proportional to 66,376.74, 99,528.19 and 21,979.27

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Solution

The fourth proportional to 66,376.74, 99,528.19 and 21,979.27 is: 32,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,376.74 : 99,528.19 = 21,979.27 : x
  2. Step 2: Convert to fraction form
    66,376.74/99,528.19 = 21,979.27/x
  3. Step 3: Cross multiply
    66,376.74x = 99,528.19 × 21,979.27
  4. Step 4: Simplify right side
    66,376.74x = 2,187,556,462.98
  5. Step 5: Solve for x
    x = 2,187,556,462.98/66,376.74
  6. Step 6: Final answer
    x = 32,956.67

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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.