Home / 55,856.06-83,757.70-20,292.58

Finding the Fourth Proportional to 55,856.06, 83,757.70 and 20,292.58

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Solution

The fourth proportional to 55,856.06, 83,757.70 and 20,292.58 is: 30,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856.06 : 83,757.70 = 20,292.58 : x
  2. Step 2: Convert to fraction form
    55,856.06/83,757.70 = 20,292.58/x
  3. Step 3: Cross multiply
    55,856.06x = 83,757.70 × 20,292.58
  4. Step 4: Simplify right side
    55,856.06x = 1,699,659,843.78
  5. Step 5: Solve for x
    x = 1,699,659,843.78/55,856.06
  6. Step 6: Final answer
    x = 30,429.28

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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.