Home / 47,867.31-71,795.46-12,809.70

Finding the Fourth Proportional to 47,867.31, 71,795.46 and 12,809.70

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Solution

The fourth proportional to 47,867.31, 71,795.46 and 12,809.70 is: 19,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,867.31 : 71,795.46 = 12,809.70 : x
  2. Step 2: Convert to fraction form
    47,867.31/71,795.46 = 12,809.70/x
  3. Step 3: Cross multiply
    47,867.31x = 71,795.46 × 12,809.70
  4. Step 4: Simplify right side
    47,867.31x = 919,678,303.96
  5. Step 5: Solve for x
    x = 919,678,303.96/47,867.31
  6. Step 6: Final answer
    x = 19,213.08

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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.