Home / 55,251.04-82,887.36-20,186.08

Finding the Fourth Proportional to 55,251.04, 82,887.36 and 20,186.08

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Solution

The fourth proportional to 55,251.04, 82,887.36 and 20,186.08 is: 30,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.04 : 82,887.36 = 20,186.08 : x
  2. Step 2: Convert to fraction form
    55,251.04/82,887.36 = 20,186.08/x
  3. Step 3: Cross multiply
    55,251.04x = 82,887.36 × 20,186.08
  4. Step 4: Simplify right side
    55,251.04x = 1,673,170,879.95
  5. Step 5: Solve for x
    x = 1,673,170,879.95/55,251.04
  6. Step 6: Final answer
    x = 30,283.07

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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.