Home / 42,566.31-63,893.21-40,991.67

Finding the Fourth Proportional to 42,566.31, 63,893.21 and 40,991.67

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Solution

The fourth proportional to 42,566.31, 63,893.21 and 40,991.67 is: 61,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,566.31 : 63,893.21 = 40,991.67 : x
  2. Step 2: Convert to fraction form
    42,566.31/63,893.21 = 40,991.67/x
  3. Step 3: Cross multiply
    42,566.31x = 63,893.21 × 40,991.67
  4. Step 4: Simplify right side
    42,566.31x = 2,619,089,174.60
  5. Step 5: Solve for x
    x = 2,619,089,174.60/42,566.31
  6. Step 6: Final answer
    x = 61,529.63

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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.