Home / 51,811.44-77,708.91-18,525.30

Finding the Fourth Proportional to 51,811.44, 77,708.91 and 18,525.30

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Solution

The fourth proportional to 51,811.44, 77,708.91 and 18,525.30 is: 27,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,811.44 : 77,708.91 = 18,525.30 : x
  2. Step 2: Convert to fraction form
    51,811.44/77,708.91 = 18,525.30/x
  3. Step 3: Cross multiply
    51,811.44x = 77,708.91 × 18,525.30
  4. Step 4: Simplify right side
    51,811.44x = 1,439,580,870.42
  5. Step 5: Solve for x
    x = 1,439,580,870.42/51,811.44
  6. Step 6: Final answer
    x = 27,785.00

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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.