Home / 51,381.64-70,904.46-30,163.24

Finding the Fourth Proportional to 51,381.64, 70,904.46 and 30,163.24

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Solution

The fourth proportional to 51,381.64, 70,904.46 and 30,163.24 is: 41,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,381.64 : 70,904.46 = 30,163.24 : x
  2. Step 2: Convert to fraction form
    51,381.64/70,904.46 = 30,163.24/x
  3. Step 3: Cross multiply
    51,381.64x = 70,904.46 × 30,163.24
  4. Step 4: Simplify right side
    51,381.64x = 2,138,708,244.05
  5. Step 5: Solve for x
    x = 2,138,708,244.05/51,381.64
  6. Step 6: Final answer
    x = 41,623.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.