Home / 51,231.37-70,699.60-28,571.80

Finding the Fourth Proportional to 51,231.37, 70,699.60 and 28,571.80

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Solution

The fourth proportional to 51,231.37, 70,699.60 and 28,571.80 is: 39,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231.37 : 70,699.60 = 28,571.80 : x
  2. Step 2: Convert to fraction form
    51,231.37/70,699.60 = 28,571.80/x
  3. Step 3: Cross multiply
    51,231.37x = 70,699.60 × 28,571.80
  4. Step 4: Simplify right side
    51,231.37x = 2,020,014,831.28
  5. Step 5: Solve for x
    x = 2,020,014,831.28/51,231.37
  6. Step 6: Final answer
    x = 39,429.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.