Home / 55,571.69-76,688.44-30,077.55

Finding the Fourth Proportional to 55,571.69, 76,688.44 and 30,077.55

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Solution

The fourth proportional to 55,571.69, 76,688.44 and 30,077.55 is: 41,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,571.69 : 76,688.44 = 30,077.55 : x
  2. Step 2: Convert to fraction form
    55,571.69/76,688.44 = 30,077.55/x
  3. Step 3: Cross multiply
    55,571.69x = 76,688.44 × 30,077.55
  4. Step 4: Simplify right side
    55,571.69x = 2,306,600,313.33
  5. Step 5: Solve for x
    x = 2,306,600,313.33/55,571.69
  6. Step 6: Final answer
    x = 41,506.75

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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.