Home / 43,371.18-65,053.94-13,790.79

Finding the Fourth Proportional to 43,371.18, 65,053.94 and 13,790.79

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Solution

The fourth proportional to 43,371.18, 65,053.94 and 13,790.79 is: 20,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,371.18 : 65,053.94 = 13,790.79 : x
  2. Step 2: Convert to fraction form
    43,371.18/65,053.94 = 13,790.79/x
  3. Step 3: Cross multiply
    43,371.18x = 65,053.94 × 13,790.79
  4. Step 4: Simplify right side
    43,371.18x = 897,145,156.26
  5. Step 5: Solve for x
    x = 897,145,156.26/43,371.18
  6. Step 6: Final answer
    x = 20,685.28

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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.