Home / 55,178.64-76,146.84-30,028.08

Finding the Fourth Proportional to 55,178.64, 76,146.84 and 30,028.08

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Solution

The fourth proportional to 55,178.64, 76,146.84 and 30,028.08 is: 41,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.64 : 76,146.84 = 30,028.08 : x
  2. Step 2: Convert to fraction form
    55,178.64/76,146.84 = 30,028.08/x
  3. Step 3: Cross multiply
    55,178.64x = 76,146.84 × 30,028.08
  4. Step 4: Simplify right side
    55,178.64x = 2,286,543,403.27
  5. Step 5: Solve for x
    x = 2,286,543,403.27/55,178.64
  6. Step 6: Final answer
    x = 41,438.92

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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.