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Finding the Fourth Proportional to 46,379.52, 69,374.12 and 43,014.29

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Solution

The fourth proportional to 46,379.52, 69,374.12 and 43,014.29 is: 64,340.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,379.52 : 69,374.12 = 43,014.29 : x
  2. Step 2: Convert to fraction form
    46,379.52/69,374.12 = 43,014.29/x
  3. Step 3: Cross multiply
    46,379.52x = 69,374.12 × 43,014.29
  4. Step 4: Simplify right side
    46,379.52x = 2,984,077,954.23
  5. Step 5: Solve for x
    x = 2,984,077,954.23/46,379.52
  6. Step 6: Final answer
    x = 64,340.42

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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.