Home / 51,271.84-76,901.60-13,829.03

Finding the Fourth Proportional to 51,271.84, 76,901.60 and 13,829.03

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Solution

The fourth proportional to 51,271.84, 76,901.60 and 13,829.03 is: 20,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,271.84 : 76,901.60 = 13,829.03 : x
  2. Step 2: Convert to fraction form
    51,271.84/76,901.60 = 13,829.03/x
  3. Step 3: Cross multiply
    51,271.84x = 76,901.60 × 13,829.03
  4. Step 4: Simplify right side
    51,271.84x = 1,063,474,471.89
  5. Step 5: Solve for x
    x = 1,063,474,471.89/51,271.84
  6. Step 6: Final answer
    x = 20,741.88

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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.