Home / 34,720.81-52,081.28-12,549.84

Finding the Fourth Proportional to 34,720.81, 52,081.28 and 12,549.84

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Solution

The fourth proportional to 34,720.81, 52,081.28 and 12,549.84 is: 18,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.81 : 52,081.28 = 12,549.84 : x
  2. Step 2: Convert to fraction form
    34,720.81/52,081.28 = 12,549.84/x
  3. Step 3: Cross multiply
    34,720.81x = 52,081.28 × 12,549.84
  4. Step 4: Simplify right side
    34,720.81x = 653,611,731.00
  5. Step 5: Solve for x
    x = 653,611,731.00/34,720.81
  6. Step 6: Final answer
    x = 18,824.78

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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.