Home / 51,615.84-77,431.46-18,333.10

Finding the Fourth Proportional to 51,615.84, 77,431.46 and 18,333.10

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Solution

The fourth proportional to 51,615.84, 77,431.46 and 18,333.10 is: 27,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615.84 : 77,431.46 = 18,333.10 : x
  2. Step 2: Convert to fraction form
    51,615.84/77,431.46 = 18,333.10/x
  3. Step 3: Cross multiply
    51,615.84x = 77,431.46 × 18,333.10
  4. Step 4: Simplify right side
    51,615.84x = 1,419,558,699.33
  5. Step 5: Solve for x
    x = 1,419,558,699.33/51,615.84
  6. Step 6: Final answer
    x = 27,502.38

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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.