Home / 49,511.72-74,270.02-18,339.68

Finding the Fourth Proportional to 49,511.72, 74,270.02 and 18,339.68

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Solution

The fourth proportional to 49,511.72, 74,270.02 and 18,339.68 is: 27,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.72 : 74,270.02 = 18,339.68 : x
  2. Step 2: Convert to fraction form
    49,511.72/74,270.02 = 18,339.68/x
  3. Step 3: Cross multiply
    49,511.72x = 74,270.02 × 18,339.68
  4. Step 4: Simplify right side
    49,511.72x = 1,362,088,400.39
  5. Step 5: Solve for x
    x = 1,362,088,400.39/49,511.72
  6. Step 6: Final answer
    x = 27,510.42

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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.