Home / 55,652.66-76,800.61-30,158.56

Finding the Fourth Proportional to 55,652.66, 76,800.61 and 30,158.56

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Solution

The fourth proportional to 55,652.66, 76,800.61 and 30,158.56 is: 41,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652.66 : 76,800.61 = 30,158.56 : x
  2. Step 2: Convert to fraction form
    55,652.66/76,800.61 = 30,158.56/x
  3. Step 3: Cross multiply
    55,652.66x = 76,800.61 × 30,158.56
  4. Step 4: Simplify right side
    55,652.66x = 2,316,195,606.78
  5. Step 5: Solve for x
    x = 2,316,195,606.78/55,652.66
  6. Step 6: Final answer
    x = 41,618.78

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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.