Home / 55,250.04-82,885.86-20,185.08

Finding the Fourth Proportional to 55,250.04, 82,885.86 and 20,185.08

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Solution

The fourth proportional to 55,250.04, 82,885.86 and 20,185.08 is: 30,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.04 : 82,885.86 = 20,185.08 : x
  2. Step 2: Convert to fraction form
    55,250.04/82,885.86 = 20,185.08/x
  3. Step 3: Cross multiply
    55,250.04x = 82,885.86 × 20,185.08
  4. Step 4: Simplify right side
    55,250.04x = 1,673,057,714.97
  5. Step 5: Solve for x
    x = 1,673,057,714.97/55,250.04
  6. Step 6: Final answer
    x = 30,281.57

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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.