Home / 43,851.33-65,777.79-14,269.05

Finding the Fourth Proportional to 43,851.33, 65,777.79 and 14,269.05

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Solution

The fourth proportional to 43,851.33, 65,777.79 and 14,269.05 is: 21,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,851.33 : 65,777.79 = 14,269.05 : x
  2. Step 2: Convert to fraction form
    43,851.33/65,777.79 = 14,269.05/x
  3. Step 3: Cross multiply
    43,851.33x = 65,777.79 × 14,269.05
  4. Step 4: Simplify right side
    43,851.33x = 938,586,574.40
  5. Step 5: Solve for x
    x = 938,586,574.40/43,851.33
  6. Step 6: Final answer
    x = 21,403.83

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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.