Home / 43,666.06-65,444.31-18,676.78

Finding the Fourth Proportional to 43,666.06, 65,444.31 and 18,676.78

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Solution

The fourth proportional to 43,666.06, 65,444.31 and 18,676.78 is: 27,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,666.06 : 65,444.31 = 18,676.78 : x
  2. Step 2: Convert to fraction form
    43,666.06/65,444.31 = 18,676.78/x
  3. Step 3: Cross multiply
    43,666.06x = 65,444.31 × 18,676.78
  4. Step 4: Simplify right side
    43,666.06x = 1,222,288,980.12
  5. Step 5: Solve for x
    x = 1,222,288,980.12/43,666.06
  6. Step 6: Final answer
    x = 27,991.74

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1.5x scale

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.