Home / 51,618.84-77,435.96-18,336.10

Finding the Fourth Proportional to 51,618.84, 77,435.96 and 18,336.10

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Solution

The fourth proportional to 51,618.84, 77,435.96 and 18,336.10 is: 27,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,618.84 : 77,435.96 = 18,336.10 : x
  2. Step 2: Convert to fraction form
    51,618.84/77,435.96 = 18,336.10/x
  3. Step 3: Cross multiply
    51,618.84x = 77,435.96 × 18,336.10
  4. Step 4: Simplify right side
    51,618.84x = 1,419,873,506.16
  5. Step 5: Solve for x
    x = 1,419,873,506.16/51,618.84
  6. Step 6: Final answer
    x = 27,506.89

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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.