Home / 43,784.06-65,686.48-14,201.90

Finding the Fourth Proportional to 43,784.06, 65,686.48 and 14,201.90

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Solution

The fourth proportional to 43,784.06, 65,686.48 and 14,201.90 is: 21,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,784.06 : 65,686.48 = 14,201.90 : x
  2. Step 2: Convert to fraction form
    43,784.06/65,686.48 = 14,201.90/x
  3. Step 3: Cross multiply
    43,784.06x = 65,686.48 × 14,201.90
  4. Step 4: Simplify right side
    43,784.06x = 932,872,820.31
  5. Step 5: Solve for x
    x = 932,872,820.31/43,784.06
  6. Step 6: Final answer
    x = 21,306.22

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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.