Home / 29,135.88-43,706.52-12,492.18

Finding the Fourth Proportional to 29,135.88, 43,706.52 and 12,492.18

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Solution

The fourth proportional to 29,135.88, 43,706.52 and 12,492.18 is: 18,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.88 : 43,706.52 = 12,492.18 : x
  2. Step 2: Convert to fraction form
    29,135.88/43,706.52 = 12,492.18/x
  3. Step 3: Cross multiply
    29,135.88x = 43,706.52 × 12,492.18
  4. Step 4: Simplify right side
    29,135.88x = 545,989,715.01
  5. Step 5: Solve for x
    x = 545,989,715.01/29,135.88
  6. Step 6: Final answer
    x = 18,739.43

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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.