Home / 30,576.88-45,856.40-11,852.74

Finding the Fourth Proportional to 30,576.88, 45,856.40 and 11,852.74

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Solution

The fourth proportional to 30,576.88, 45,856.40 and 11,852.74 is: 17,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.88 : 45,856.40 = 11,852.74 : x
  2. Step 2: Convert to fraction form
    30,576.88/45,856.40 = 11,852.74/x
  3. Step 3: Cross multiply
    30,576.88x = 45,856.40 × 11,852.74
  4. Step 4: Simplify right side
    30,576.88x = 543,523,986.54
  5. Step 5: Solve for x
    x = 543,523,986.54/30,576.88
  6. Step 6: Final answer
    x = 17,775.65

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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.