Home / 55,996.96-83,950.08-20,931.52

Finding the Fourth Proportional to 55,996.96, 83,950.08 and 20,931.52

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Solution

The fourth proportional to 55,996.96, 83,950.08 and 20,931.52 is: 31,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,996.96 : 83,950.08 = 20,931.52 : x
  2. Step 2: Convert to fraction form
    55,996.96/83,950.08 = 20,931.52/x
  3. Step 3: Cross multiply
    55,996.96x = 83,950.08 × 20,931.52
  4. Step 4: Simplify right side
    55,996.96x = 1,757,202,778.52
  5. Step 5: Solve for x
    x = 1,757,202,778.52/55,996.96
  6. Step 6: Final answer
    x = 31,380.32

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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.