Home / 55,128.84-82,598.15-30,186.84

Finding the Fourth Proportional to 55,128.84, 82,598.15 and 30,186.84

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Solution

The fourth proportional to 55,128.84, 82,598.15 and 30,186.84 is: 45,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,128.84 : 82,598.15 = 30,186.84 : x
  2. Step 2: Convert to fraction form
    55,128.84/82,598.15 = 30,186.84/x
  3. Step 3: Cross multiply
    55,128.84x = 82,598.15 × 30,186.84
  4. Step 4: Simplify right side
    55,128.84x = 2,493,377,138.35
  5. Step 5: Solve for x
    x = 2,493,377,138.35/55,128.84
  6. Step 6: Final answer
    x = 45,228.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.