Home / 31,482.44-43,442.16-18,050

Finding the Fourth Proportional to 31,482.44, 43,442.16 and 18,050

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Solution

The fourth proportional to 31,482.44, 43,442.16 and 18,050 is: 24,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.44 : 43,442.16 = 18,050 : x
  2. Step 2: Convert to fraction form
    31,482.44/43,442.16 = 18,050/x
  3. Step 3: Cross multiply
    31,482.44x = 43,442.16 × 18,050
  4. Step 4: Simplify right side
    31,482.44x = 784,130,988.00
  5. Step 5: Solve for x
    x = 784,130,988.00/31,482.44
  6. Step 6: Final answer
    x = 24,906.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.