Home / 43,782.31-65,683.07-14,203.13

Finding the Fourth Proportional to 43,782.31, 65,683.07 and 14,203.13

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Solution

The fourth proportional to 43,782.31, 65,683.07 and 14,203.13 is: 21,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.31 : 65,683.07 = 14,203.13 : x
  2. Step 2: Convert to fraction form
    43,782.31/65,683.07 = 14,203.13/x
  3. Step 3: Cross multiply
    43,782.31x = 65,683.07 × 14,203.13
  4. Step 4: Simplify right side
    43,782.31x = 932,905,110.99
  5. Step 5: Solve for x
    x = 932,905,110.99/43,782.31
  6. Step 6: Final answer
    x = 21,307.81

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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.