Home / 47,971.64-71,952.30-12,914.84

Finding the Fourth Proportional to 47,971.64, 71,952.30 and 12,914.84

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Solution

The fourth proportional to 47,971.64, 71,952.30 and 12,914.84 is: 19,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,971.64 : 71,952.30 = 12,914.84 : x
  2. Step 2: Convert to fraction form
    47,971.64/71,952.30 = 12,914.84/x
  3. Step 3: Cross multiply
    47,971.64x = 71,952.30 × 12,914.84
  4. Step 4: Simplify right side
    47,971.64x = 929,252,442.13
  5. Step 5: Solve for x
    x = 929,252,442.13/47,971.64
  6. Step 6: Final answer
    x = 19,370.87

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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.