Home / 47,664.79-71,497.59-12,126.14

Finding the Fourth Proportional to 47,664.79, 71,497.59 and 12,126.14

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Solution

The fourth proportional to 47,664.79, 71,497.59 and 12,126.14 is: 18,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,664.79 : 71,497.59 = 12,126.14 : x
  2. Step 2: Convert to fraction form
    47,664.79/71,497.59 = 12,126.14/x
  3. Step 3: Cross multiply
    47,664.79x = 71,497.59 × 12,126.14
  4. Step 4: Simplify right side
    47,664.79x = 866,989,786.00
  5. Step 5: Solve for x
    x = 866,989,786.00/47,664.79
  6. Step 6: Final answer
    x = 18,189.31

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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.