Home / 55,455.20-83,182.80-16,013.60

Finding the Fourth Proportional to 55,455.20, 83,182.80 and 16,013.60

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Solution

The fourth proportional to 55,455.20, 83,182.80 and 16,013.60 is: 24,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,455.20 : 83,182.80 = 16,013.60 : x
  2. Step 2: Convert to fraction form
    55,455.20/83,182.80 = 16,013.60/x
  3. Step 3: Cross multiply
    55,455.20x = 83,182.80 × 16,013.60
  4. Step 4: Simplify right side
    55,455.20x = 1,332,056,086.08
  5. Step 5: Solve for x
    x = 1,332,056,086.08/55,455.20
  6. Step 6: Final answer
    x = 24,020.40

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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.