Home / 29,905.88-44,825.28-12,132.40

Finding the Fourth Proportional to 29,905.88, 44,825.28 and 12,132.40

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Solution

The fourth proportional to 29,905.88, 44,825.28 and 12,132.40 is: 18,184.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,905.88 : 44,825.28 = 12,132.40 : x
  2. Step 2: Convert to fraction form
    29,905.88/44,825.28 = 12,132.40/x
  3. Step 3: Cross multiply
    29,905.88x = 44,825.28 × 12,132.40
  4. Step 4: Simplify right side
    29,905.88x = 543,838,227.07
  5. Step 5: Solve for x
    x = 543,838,227.07/29,905.88
  6. Step 6: Final answer
    x = 18,184.99

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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.