Home / 51,119.56-76,646.94-21,557.80

Finding the Fourth Proportional to 51,119.56, 76,646.94 and 21,557.80

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Solution

The fourth proportional to 51,119.56, 76,646.94 and 21,557.80 is: 32,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,119.56 : 76,646.94 = 21,557.80 : x
  2. Step 2: Convert to fraction form
    51,119.56/76,646.94 = 21,557.80/x
  3. Step 3: Cross multiply
    51,119.56x = 76,646.94 × 21,557.80
  4. Step 4: Simplify right side
    51,119.56x = 1,652,339,403.13
  5. Step 5: Solve for x
    x = 1,652,339,403.13/51,119.56
  6. Step 6: Final answer
    x = 32,323.04

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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.