Home / 51,244.08-76,889.79-19,643.73

Finding the Fourth Proportional to 51,244.08, 76,889.79 and 19,643.73

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Solution

The fourth proportional to 51,244.08, 76,889.79 and 19,643.73 is: 29,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,244.08 : 76,889.79 = 19,643.73 : x
  2. Step 2: Convert to fraction form
    51,244.08/76,889.79 = 19,643.73/x
  3. Step 3: Cross multiply
    51,244.08x = 76,889.79 × 19,643.73
  4. Step 4: Simplify right side
    51,244.08x = 1,510,402,274.52
  5. Step 5: Solve for x
    x = 1,510,402,274.52/51,244.08
  6. Step 6: Final answer
    x = 29,474.67

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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.