Home / 51,065.34-76,614.36-21,093.67

Finding the Fourth Proportional to 51,065.34, 76,614.36 and 21,093.67

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Solution

The fourth proportional to 51,065.34, 76,614.36 and 21,093.67 is: 31,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.34 : 76,614.36 = 21,093.67 : x
  2. Step 2: Convert to fraction form
    51,065.34/76,614.36 = 21,093.67/x
  3. Step 3: Cross multiply
    51,065.34x = 76,614.36 × 21,093.67
  4. Step 4: Simplify right side
    51,065.34x = 1,616,077,612.81
  5. Step 5: Solve for x
    x = 1,616,077,612.81/51,065.34
  6. Step 6: Final answer
    x = 31,647.25

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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.