Home / 55,319.55-76,339.83-30,169.05

Finding the Fourth Proportional to 55,319.55, 76,339.83 and 30,169.05

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Solution

The fourth proportional to 55,319.55, 76,339.83 and 30,169.05 is: 41,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,319.55 : 76,339.83 = 30,169.05 : x
  2. Step 2: Convert to fraction form
    55,319.55/76,339.83 = 30,169.05/x
  3. Step 3: Cross multiply
    55,319.55x = 76,339.83 × 30,169.05
  4. Step 4: Simplify right side
    55,319.55x = 2,303,100,148.26
  5. Step 5: Solve for x
    x = 2,303,100,148.26/55,319.55
  6. Step 6: Final answer
    x = 41,632.66

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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.