Home / 51,790.00-77,684.69-13,321.44

Finding the Fourth Proportional to 51,790.00, 77,684.69 and 13,321.44

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Solution

The fourth proportional to 51,790.00, 77,684.69 and 13,321.44 is: 19,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.00 : 77,684.69 = 13,321.44 : x
  2. Step 2: Convert to fraction form
    51,790.00/77,684.69 = 13,321.44/x
  3. Step 3: Cross multiply
    51,790.00x = 77,684.69 × 13,321.44
  4. Step 4: Simplify right side
    51,790.00x = 1,034,871,950.53
  5. Step 5: Solve for x
    x = 1,034,871,950.53/51,790.00
  6. Step 6: Final answer
    x = 19,982.08

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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.