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Finding the Fourth Proportional to 30,708.69, 45,746.11 and 29,779.44

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Solution

The fourth proportional to 30,708.69, 45,746.11 and 29,779.44 is: 44,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708.69 : 45,746.11 = 29,779.44 : x
  2. Step 2: Convert to fraction form
    30,708.69/45,746.11 = 29,779.44/x
  3. Step 3: Cross multiply
    30,708.69x = 45,746.11 × 29,779.44
  4. Step 4: Simplify right side
    30,708.69x = 1,362,293,537.98
  5. Step 5: Solve for x
    x = 1,362,293,537.98/30,708.69
  6. Step 6: Final answer
    x = 44,361.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.