Home / 50,745.51-76,140.14-21,169.17

Finding the Fourth Proportional to 50,745.51, 76,140.14 and 21,169.17

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Solution

The fourth proportional to 50,745.51, 76,140.14 and 21,169.17 is: 31,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,745.51 : 76,140.14 = 21,169.17 : x
  2. Step 2: Convert to fraction form
    50,745.51/76,140.14 = 21,169.17/x
  3. Step 3: Cross multiply
    50,745.51x = 76,140.14 × 21,169.17
  4. Step 4: Simplify right side
    50,745.51x = 1,611,823,461.64
  5. Step 5: Solve for x
    x = 1,611,823,461.64/50,745.51
  6. Step 6: Final answer
    x = 31,762.88

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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.