Home / 51,351.21-76,993.84-21,386.22

Finding the Fourth Proportional to 51,351.21, 76,993.84 and 21,386.22

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Solution

The fourth proportional to 51,351.21, 76,993.84 and 21,386.22 is: 32,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,351.21 : 76,993.84 = 21,386.22 : x
  2. Step 2: Convert to fraction form
    51,351.21/76,993.84 = 21,386.22/x
  3. Step 3: Cross multiply
    51,351.21x = 76,993.84 × 21,386.22
  4. Step 4: Simplify right side
    51,351.21x = 1,646,607,200.88
  5. Step 5: Solve for x
    x = 1,646,607,200.88/51,351.21
  6. Step 6: Final answer
    x = 32,065.60

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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.