Home / 55,080.92-82,621.20-15,638.06

Finding the Fourth Proportional to 55,080.92, 82,621.20 and 15,638.06

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Solution

The fourth proportional to 55,080.92, 82,621.20 and 15,638.06 is: 23,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.92 : 82,621.20 = 15,638.06 : x
  2. Step 2: Convert to fraction form
    55,080.92/82,621.20 = 15,638.06/x
  3. Step 3: Cross multiply
    55,080.92x = 82,621.20 × 15,638.06
  4. Step 4: Simplify right side
    55,080.92x = 1,292,034,928.41
  5. Step 5: Solve for x
    x = 1,292,034,928.41/55,080.92
  6. Step 6: Final answer
    x = 23,457.03

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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.