Home / 51,538.78-77,235.27-21,926.80

Finding the Fourth Proportional to 51,538.78, 77,235.27 and 21,926.80

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Solution

The fourth proportional to 51,538.78, 77,235.27 and 21,926.80 is: 32,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538.78 : 77,235.27 = 21,926.80 : x
  2. Step 2: Convert to fraction form
    51,538.78/77,235.27 = 21,926.80/x
  3. Step 3: Cross multiply
    51,538.78x = 77,235.27 × 21,926.80
  4. Step 4: Simplify right side
    51,538.78x = 1,693,522,318.24
  5. Step 5: Solve for x
    x = 1,693,522,318.24/51,538.78
  6. Step 6: Final answer
    x = 32,859.19

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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.