Home / 50,254.12-75,381.66-13,318.12

Finding the Fourth Proportional to 50,254.12, 75,381.66 and 13,318.12

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Solution

The fourth proportional to 50,254.12, 75,381.66 and 13,318.12 is: 19,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,254.12 : 75,381.66 = 13,318.12 : x
  2. Step 2: Convert to fraction form
    50,254.12/75,381.66 = 13,318.12/x
  3. Step 3: Cross multiply
    50,254.12x = 75,381.66 × 13,318.12
  4. Step 4: Simplify right side
    50,254.12x = 1,003,941,993.68
  5. Step 5: Solve for x
    x = 1,003,941,993.68/50,254.12
  6. Step 6: Final answer
    x = 19,977.31

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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.