Home / 51,340.03-77,021.89-21,759.03

Finding the Fourth Proportional to 51,340.03, 77,021.89 and 21,759.03

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Solution

The fourth proportional to 51,340.03, 77,021.89 and 21,759.03 is: 32,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,340.03 : 77,021.89 = 21,759.03 : x
  2. Step 2: Convert to fraction form
    51,340.03/77,021.89 = 21,759.03/x
  3. Step 3: Cross multiply
    51,340.03x = 77,021.89 × 21,759.03
  4. Step 4: Simplify right side
    51,340.03x = 1,675,921,560.77
  5. Step 5: Solve for x
    x = 1,675,921,560.77/51,340.03
  6. Step 6: Final answer
    x = 32,643.57

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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.