Home / 55,395.90-83,093.85-20,349.23

Finding the Fourth Proportional to 55,395.90, 83,093.85 and 20,349.23

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Solution

The fourth proportional to 55,395.90, 83,093.85 and 20,349.23 is: 30,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,395.90 : 83,093.85 = 20,349.23 : x
  2. Step 2: Convert to fraction form
    55,395.90/83,093.85 = 20,349.23/x
  3. Step 3: Cross multiply
    55,395.90x = 83,093.85 × 20,349.23
  4. Step 4: Simplify right side
    55,395.90x = 1,690,895,449.77
  5. Step 5: Solve for x
    x = 1,690,895,449.77/55,395.90
  6. Step 6: Final answer
    x = 30,523.84

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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.