Home / 45,790.16-63,168.12-28,815.44

Finding the Fourth Proportional to 45,790.16, 63,168.12 and 28,815.44

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Solution

The fourth proportional to 45,790.16, 63,168.12 and 28,815.44 is: 39,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,790.16 : 63,168.12 = 28,815.44 : x
  2. Step 2: Convert to fraction form
    45,790.16/63,168.12 = 28,815.44/x
  3. Step 3: Cross multiply
    45,790.16x = 63,168.12 × 28,815.44
  4. Step 4: Simplify right side
    45,790.16x = 1,820,217,171.77
  5. Step 5: Solve for x
    x = 1,820,217,171.77/45,790.16
  6. Step 6: Final answer
    x = 39,751.27

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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.