Home / 43,666.02-65,444.22-18,676.70

Finding the Fourth Proportional to 43,666.02, 65,444.22 and 18,676.70

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Solution

The fourth proportional to 43,666.02, 65,444.22 and 18,676.70 is: 27,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,666.02 : 65,444.22 = 18,676.70 : x
  2. Step 2: Convert to fraction form
    43,666.02/65,444.22 = 18,676.70/x
  3. Step 3: Cross multiply
    43,666.02x = 65,444.22 × 18,676.70
  4. Step 4: Simplify right side
    43,666.02x = 1,222,281,736.45
  5. Step 5: Solve for x
    x = 1,222,281,736.45/43,666.02
  6. Step 6: Final answer
    x = 27,991.60

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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.