Home / 43,965.90-65,931.48-13,969.35

Finding the Fourth Proportional to 43,965.90, 65,931.48 and 13,969.35

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Solution

The fourth proportional to 43,965.90, 65,931.48 and 13,969.35 is: 20,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,965.90 : 65,931.48 = 13,969.35 : x
  2. Step 2: Convert to fraction form
    43,965.90/65,931.48 = 13,969.35/x
  3. Step 3: Cross multiply
    43,965.90x = 65,931.48 × 13,969.35
  4. Step 4: Simplify right side
    43,965.90x = 921,019,920.14
  5. Step 5: Solve for x
    x = 921,019,920.14/43,965.90
  6. Step 6: Final answer
    x = 20,948.51

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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.