Home / 55,116.84-76,056.12-31,245.60

Finding the Fourth Proportional to 55,116.84, 76,056.12 and 31,245.60

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Solution

The fourth proportional to 55,116.84, 76,056.12 and 31,245.60 is: 43,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,116.84 : 76,056.12 = 31,245.60 : x
  2. Step 2: Convert to fraction form
    55,116.84/76,056.12 = 31,245.60/x
  3. Step 3: Cross multiply
    55,116.84x = 76,056.12 × 31,245.60
  4. Step 4: Simplify right side
    55,116.84x = 2,376,419,103.07
  5. Step 5: Solve for x
    x = 2,376,419,103.07/55,116.84
  6. Step 6: Final answer
    x = 43,116.03

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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.