Home / 43,921.10-65,888.04-14,331.66

Finding the Fourth Proportional to 43,921.10, 65,888.04 and 14,331.66

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Solution

The fourth proportional to 43,921.10, 65,888.04 and 14,331.66 is: 21,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,921.10 : 65,888.04 = 14,331.66 : x
  2. Step 2: Convert to fraction form
    43,921.10/65,888.04 = 14,331.66/x
  3. Step 3: Cross multiply
    43,921.10x = 65,888.04 × 14,331.66
  4. Step 4: Simplify right side
    43,921.10x = 944,284,987.35
  5. Step 5: Solve for x
    x = 944,284,987.35/43,921.10
  6. Step 6: Final answer
    x = 21,499.58

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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.