Home / 51,813.54-77,708.67-20,224.38

Finding the Fourth Proportional to 51,813.54, 77,708.67 and 20,224.38

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Solution

The fourth proportional to 51,813.54, 77,708.67 and 20,224.38 is: 30,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,813.54 : 77,708.67 = 20,224.38 : x
  2. Step 2: Convert to fraction form
    51,813.54/77,708.67 = 20,224.38/x
  3. Step 3: Cross multiply
    51,813.54x = 77,708.67 × 20,224.38
  4. Step 4: Simplify right side
    51,813.54x = 1,571,609,671.37
  5. Step 5: Solve for x
    x = 1,571,609,671.37/51,813.54
  6. Step 6: Final answer
    x = 30,332.03

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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.