Home / 55,648.28-83,473.07-20,112.30

Finding the Fourth Proportional to 55,648.28, 83,473.07 and 20,112.30

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Solution

The fourth proportional to 55,648.28, 83,473.07 and 20,112.30 is: 30,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,648.28 : 83,473.07 = 20,112.30 : x
  2. Step 2: Convert to fraction form
    55,648.28/83,473.07 = 20,112.30/x
  3. Step 3: Cross multiply
    55,648.28x = 83,473.07 × 20,112.30
  4. Step 4: Simplify right side
    55,648.28x = 1,678,835,325.20
  5. Step 5: Solve for x
    x = 1,678,835,325.20/55,648.28
  6. Step 6: Final answer
    x = 30,168.68

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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.