Home / 33,461.12-50,201.28-12,686.72

Finding the Fourth Proportional to 33,461.12, 50,201.28 and 12,686.72

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Solution

The fourth proportional to 33,461.12, 50,201.28 and 12,686.72 is: 19,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,461.12 : 50,201.28 = 12,686.72 : x
  2. Step 2: Convert to fraction form
    33,461.12/50,201.28 = 12,686.72/x
  3. Step 3: Cross multiply
    33,461.12x = 50,201.28 × 12,686.72
  4. Step 4: Simplify right side
    33,461.12x = 636,889,583.00
  5. Step 5: Solve for x
    x = 636,889,583.00/33,461.12
  6. Step 6: Final answer
    x = 19,033.72

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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.