Home / 51,956.07-77,887.35-18,668.31

Finding the Fourth Proportional to 51,956.07, 77,887.35 and 18,668.31

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Solution

The fourth proportional to 51,956.07, 77,887.35 and 18,668.31 is: 27,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,956.07 : 77,887.35 = 18,668.31 : x
  2. Step 2: Convert to fraction form
    51,956.07/77,887.35 = 18,668.31/x
  3. Step 3: Cross multiply
    51,956.07x = 77,887.35 × 18,668.31
  4. Step 4: Simplify right side
    51,956.07x = 1,454,025,194.88
  5. Step 5: Solve for x
    x = 1,454,025,194.88/51,956.07
  6. Step 6: Final answer
    x = 27,985.67

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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.