Home / 51,484.12-77,057.70-31,778.44

Finding the Fourth Proportional to 51,484.12, 77,057.70 and 31,778.44

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Solution

The fourth proportional to 51,484.12, 77,057.70 and 31,778.44 is: 47,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,484.12 : 77,057.70 = 31,778.44 : x
  2. Step 2: Convert to fraction form
    51,484.12/77,057.70 = 31,778.44/x
  3. Step 3: Cross multiply
    51,484.12x = 77,057.70 × 31,778.44
  4. Step 4: Simplify right side
    51,484.12x = 2,448,773,495.99
  5. Step 5: Solve for x
    x = 2,448,773,495.99/51,484.12
  6. Step 6: Final answer
    x = 47,563.67

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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.