Home / 43,890-65,802.06-14,290.26

Finding the Fourth Proportional to 43,890, 65,802.06 and 14,290.26

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Solution

The fourth proportional to 43,890, 65,802.06 and 14,290.26 is: 21,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,890 : 65,802.06 = 14,290.26 : x
  2. Step 2: Convert to fraction form
    43,890/65,802.06 = 14,290.26/x
  3. Step 3: Cross multiply
    43,890x = 65,802.06 × 14,290.26
  4. Step 4: Simplify right side
    43,890x = 940,328,545.94
  5. Step 5: Solve for x
    x = 940,328,545.94/43,890
  6. Step 6: Final answer
    x = 21,424.66

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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.