Home / 31,852.44-47,764.08-18,711

Finding the Fourth Proportional to 31,852.44, 47,764.08 and 18,711

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Solution

The fourth proportional to 31,852.44, 47,764.08 and 18,711 is: 28,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.44 : 47,764.08 = 18,711 : x
  2. Step 2: Convert to fraction form
    31,852.44/47,764.08 = 18,711/x
  3. Step 3: Cross multiply
    31,852.44x = 47,764.08 × 18,711
  4. Step 4: Simplify right side
    31,852.44x = 893,713,700.88
  5. Step 5: Solve for x
    x = 893,713,700.88/31,852.44
  6. Step 6: Final answer
    x = 28,057.94

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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.