Home / 51,619.79-77,422.38-16,554.89

Finding the Fourth Proportional to 51,619.79, 77,422.38 and 16,554.89

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Solution

The fourth proportional to 51,619.79, 77,422.38 and 16,554.89 is: 24,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.79 : 77,422.38 = 16,554.89 : x
  2. Step 2: Convert to fraction form
    51,619.79/77,422.38 = 16,554.89/x
  3. Step 3: Cross multiply
    51,619.79x = 77,422.38 × 16,554.89
  4. Step 4: Simplify right side
    51,619.79x = 1,281,718,597.33
  5. Step 5: Solve for x
    x = 1,281,718,597.33/51,619.79
  6. Step 6: Final answer
    x = 24,829.99

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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.