Home / 47,705.40-65,841.84-29,811.96

Finding the Fourth Proportional to 47,705.40, 65,841.84 and 29,811.96

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Solution

The fourth proportional to 47,705.40, 65,841.84 and 29,811.96 is: 41,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,705.40 : 65,841.84 = 29,811.96 : x
  2. Step 2: Convert to fraction form
    47,705.40/65,841.84 = 29,811.96/x
  3. Step 3: Cross multiply
    47,705.40x = 65,841.84 × 29,811.96
  4. Step 4: Simplify right side
    47,705.40x = 1,962,874,300.41
  5. Step 5: Solve for x
    x = 1,962,874,300.41/47,705.40
  6. Step 6: Final answer
    x = 41,145.75

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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.