Home / 46,620.36-69,932.88-13,345.20

Finding the Fourth Proportional to 46,620.36, 69,932.88 and 13,345.20

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Solution

The fourth proportional to 46,620.36, 69,932.88 and 13,345.20 is: 20,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,620.36 : 69,932.88 = 13,345.20 : x
  2. Step 2: Convert to fraction form
    46,620.36/69,932.88 = 13,345.20/x
  3. Step 3: Cross multiply
    46,620.36x = 69,932.88 × 13,345.20
  4. Step 4: Simplify right side
    46,620.36x = 933,268,270.18
  5. Step 5: Solve for x
    x = 933,268,270.18/46,620.36
  6. Step 6: Final answer
    x = 20,018.47

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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.