Home / 55,315.02-76,335.03-30,163.98

Finding the Fourth Proportional to 55,315.02, 76,335.03 and 30,163.98

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Solution

The fourth proportional to 55,315.02, 76,335.03 and 30,163.98 is: 41,626.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315.02 : 76,335.03 = 30,163.98 : x
  2. Step 2: Convert to fraction form
    55,315.02/76,335.03 = 30,163.98/x
  3. Step 3: Cross multiply
    55,315.02x = 76,335.03 × 30,163.98
  4. Step 4: Simplify right side
    55,315.02x = 2,302,568,318.22
  5. Step 5: Solve for x
    x = 2,302,568,318.22/55,315.02
  6. Step 6: Final answer
    x = 41,626.46

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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.