Home / 55,652.06-76,800.15-30,158.54

Finding the Fourth Proportional to 55,652.06, 76,800.15 and 30,158.54

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Solution

The fourth proportional to 55,652.06, 76,800.15 and 30,158.54 is: 41,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652.06 : 76,800.15 = 30,158.54 : x
  2. Step 2: Convert to fraction form
    55,652.06/76,800.15 = 30,158.54/x
  3. Step 3: Cross multiply
    55,652.06x = 76,800.15 × 30,158.54
  4. Step 4: Simplify right side
    55,652.06x = 2,316,180,395.78
  5. Step 5: Solve for x
    x = 2,316,180,395.78/55,652.06
  6. Step 6: Final answer
    x = 41,618.95

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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.