Home / 43,630.29-65,419.14-19,610.19

Finding the Fourth Proportional to 43,630.29, 65,419.14 and 19,610.19

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Solution

The fourth proportional to 43,630.29, 65,419.14 and 19,610.19 is: 29,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,630.29 : 65,419.14 = 19,610.19 : x
  2. Step 2: Convert to fraction form
    43,630.29/65,419.14 = 19,610.19/x
  3. Step 3: Cross multiply
    43,630.29x = 65,419.14 × 19,610.19
  4. Step 4: Simplify right side
    43,630.29x = 1,282,881,765.04
  5. Step 5: Solve for x
    x = 1,282,881,765.04/43,630.29
  6. Step 6: Final answer
    x = 29,403.47

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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.