Home / 43,908.09-65,868.54-14,318.65

Finding the Fourth Proportional to 43,908.09, 65,868.54 and 14,318.65

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Solution

The fourth proportional to 43,908.09, 65,868.54 and 14,318.65 is: 21,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.09 : 65,868.54 = 14,318.65 : x
  2. Step 2: Convert to fraction form
    43,908.09/65,868.54 = 14,318.65/x
  3. Step 3: Cross multiply
    43,908.09x = 65,868.54 × 14,318.65
  4. Step 4: Simplify right side
    43,908.09x = 943,148,570.27
  5. Step 5: Solve for x
    x = 943,148,570.27/43,908.09
  6. Step 6: Final answer
    x = 21,480.06

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1.5x scale

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.