Home / 46,311.13-63,912.30-28,403.70

Finding the Fourth Proportional to 46,311.13, 63,912.30 and 28,403.70

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Solution

The fourth proportional to 46,311.13, 63,912.30 and 28,403.70 is: 39,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,311.13 : 63,912.30 = 28,403.70 : x
  2. Step 2: Convert to fraction form
    46,311.13/63,912.30 = 28,403.70/x
  3. Step 3: Cross multiply
    46,311.13x = 63,912.30 × 28,403.70
  4. Step 4: Simplify right side
    46,311.13x = 1,815,345,795.51
  5. Step 5: Solve for x
    x = 1,815,345,795.51/46,311.13
  6. Step 6: Final answer
    x = 39,198.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.