Home / 51,074.49-76,611.48-13,123.73

Finding the Fourth Proportional to 51,074.49, 76,611.48 and 13,123.73

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Solution

The fourth proportional to 51,074.49, 76,611.48 and 13,123.73 is: 19,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,074.49 : 76,611.48 = 13,123.73 : x
  2. Step 2: Convert to fraction form
    51,074.49/76,611.48 = 13,123.73/x
  3. Step 3: Cross multiply
    51,074.49x = 76,611.48 × 13,123.73
  4. Step 4: Simplify right side
    51,074.49x = 1,005,427,995.36
  5. Step 5: Solve for x
    x = 1,005,427,995.36/51,074.49
  6. Step 6: Final answer
    x = 19,685.52

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1.5x scale

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.