Home / 55,179.64-76,148.22-30,029.08

Finding the Fourth Proportional to 55,179.64, 76,148.22 and 30,029.08

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Solution

The fourth proportional to 55,179.64, 76,148.22 and 30,029.08 is: 41,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,179.64 : 76,148.22 = 30,029.08 : x
  2. Step 2: Convert to fraction form
    55,179.64/76,148.22 = 30,029.08/x
  3. Step 3: Cross multiply
    55,179.64x = 76,148.22 × 30,029.08
  4. Step 4: Simplify right side
    55,179.64x = 2,286,660,990.24
  5. Step 5: Solve for x
    x = 2,286,660,990.24/55,179.64
  6. Step 6: Final answer
    x = 41,440.30

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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.