Home / 49,117.60-73,640.40-19,520.80

Finding the Fourth Proportional to 49,117.60, 73,640.40 and 19,520.80

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Solution

The fourth proportional to 49,117.60, 73,640.40 and 19,520.80 is: 29,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,117.60 : 73,640.40 = 19,520.80 : x
  2. Step 2: Convert to fraction form
    49,117.60/73,640.40 = 19,520.80/x
  3. Step 3: Cross multiply
    49,117.60x = 73,640.40 × 19,520.80
  4. Step 4: Simplify right side
    49,117.60x = 1,437,519,520.32
  5. Step 5: Solve for x
    x = 1,437,519,520.32/49,117.60
  6. Step 6: Final answer
    x = 29,266.89

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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.