Home / 43,903.28-65,869.71-13,922.42

Finding the Fourth Proportional to 43,903.28, 65,869.71 and 13,922.42

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Solution

The fourth proportional to 43,903.28, 65,869.71 and 13,922.42 is: 20,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,903.28 : 65,869.71 = 13,922.42 : x
  2. Step 2: Convert to fraction form
    43,903.28/65,869.71 = 13,922.42/x
  3. Step 3: Cross multiply
    43,903.28x = 65,869.71 × 13,922.42
  4. Step 4: Simplify right side
    43,903.28x = 917,065,767.90
  5. Step 5: Solve for x
    x = 917,065,767.90/43,903.28
  6. Step 6: Final answer
    x = 20,888.32

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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.