Home / 43,590.21-65,379.10-14,004.21

Finding the Fourth Proportional to 43,590.21, 65,379.10 and 14,004.21

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Solution

The fourth proportional to 43,590.21, 65,379.10 and 14,004.21 is: 21,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,590.21 : 65,379.10 = 14,004.21 : x
  2. Step 2: Convert to fraction form
    43,590.21/65,379.10 = 14,004.21/x
  3. Step 3: Cross multiply
    43,590.21x = 65,379.10 × 14,004.21
  4. Step 4: Simplify right side
    43,590.21x = 915,582,646.01
  5. Step 5: Solve for x
    x = 915,582,646.01/43,590.21
  6. Step 6: Final answer
    x = 21,004.32

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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.