Home / 51,071.36-76,678.82-26,129.30

Finding the Fourth Proportional to 51,071.36, 76,678.82 and 26,129.30

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Solution

The fourth proportional to 51,071.36, 76,678.82 and 26,129.30 is: 39,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.36 : 76,678.82 = 26,129.30 : x
  2. Step 2: Convert to fraction form
    51,071.36/76,678.82 = 26,129.30/x
  3. Step 3: Cross multiply
    51,071.36x = 76,678.82 × 26,129.30
  4. Step 4: Simplify right side
    51,071.36x = 2,003,563,765.05
  5. Step 5: Solve for x
    x = 2,003,563,765.05/51,071.36
  6. Step 6: Final answer
    x = 39,230.67

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1.5x scale

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.