Home / 45,686.41-68,511.44-17,590.91

Finding the Fourth Proportional to 45,686.41, 68,511.44 and 17,590.91

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Solution

The fourth proportional to 45,686.41, 68,511.44 and 17,590.91 is: 26,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,686.41 : 68,511.44 = 17,590.91 : x
  2. Step 2: Convert to fraction form
    45,686.41/68,511.44 = 17,590.91/x
  3. Step 3: Cross multiply
    45,686.41x = 68,511.44 × 17,590.91
  4. Step 4: Simplify right side
    45,686.41x = 1,205,178,276.43
  5. Step 5: Solve for x
    x = 1,205,178,276.43/45,686.41
  6. Step 6: Final answer
    x = 26,379.36

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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.