Home / 51,911.98-77,886.04-16,378.79

Finding the Fourth Proportional to 51,911.98, 77,886.04 and 16,378.79

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Solution

The fourth proportional to 51,911.98, 77,886.04 and 16,378.79 is: 24,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,911.98 : 77,886.04 = 16,378.79 : x
  2. Step 2: Convert to fraction form
    51,911.98/77,886.04 = 16,378.79/x
  3. Step 3: Cross multiply
    51,911.98x = 77,886.04 × 16,378.79
  4. Step 4: Simplify right side
    51,911.98x = 1,275,678,724.13
  5. Step 5: Solve for x
    x = 1,275,678,724.13/51,911.98
  6. Step 6: Final answer
    x = 24,573.88

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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.