Home / 31,137.72-46,680.48-13,594.20

Finding the Fourth Proportional to 31,137.72, 46,680.48 and 13,594.20

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Solution

The fourth proportional to 31,137.72, 46,680.48 and 13,594.20 is: 20,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,137.72 : 46,680.48 = 13,594.20 : x
  2. Step 2: Convert to fraction form
    31,137.72/46,680.48 = 13,594.20/x
  3. Step 3: Cross multiply
    31,137.72x = 46,680.48 × 13,594.20
  4. Step 4: Simplify right side
    31,137.72x = 634,583,781.22
  5. Step 5: Solve for x
    x = 634,583,781.22/31,137.72
  6. Step 6: Final answer
    x = 20,379.91

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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.