Home / 49,435.12-74,152.06-11,995.50

Finding the Fourth Proportional to 49,435.12, 74,152.06 and 11,995.50

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Solution

The fourth proportional to 49,435.12, 74,152.06 and 11,995.50 is: 17,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,435.12 : 74,152.06 = 11,995.50 : x
  2. Step 2: Convert to fraction form
    49,435.12/74,152.06 = 11,995.50/x
  3. Step 3: Cross multiply
    49,435.12x = 74,152.06 × 11,995.50
  4. Step 4: Simplify right side
    49,435.12x = 889,491,005.74
  5. Step 5: Solve for x
    x = 889,491,005.74/49,435.12
  6. Step 6: Final answer
    x = 17,993.10

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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.