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Finding the Fourth Proportional to 54,706.89, 82,074.18 and 15,263.99

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Solution

The fourth proportional to 54,706.89, 82,074.18 and 15,263.99 is: 22,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,706.89 : 82,074.18 = 15,263.99 : x
  2. Step 2: Convert to fraction form
    54,706.89/82,074.18 = 15,263.99/x
  3. Step 3: Cross multiply
    54,706.89x = 82,074.18 × 15,263.99
  4. Step 4: Simplify right side
    54,706.89x = 1,252,779,052.41
  5. Step 5: Solve for x
    x = 1,252,779,052.41/54,706.89
  6. Step 6: Final answer
    x = 22,899.84

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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.