Home / 43,266.58-64,936.36-16,989.78

Finding the Fourth Proportional to 43,266.58, 64,936.36 and 16,989.78

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Solution

The fourth proportional to 43,266.58, 64,936.36 and 16,989.78 is: 25,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.58 : 64,936.36 = 16,989.78 : x
  2. Step 2: Convert to fraction form
    43,266.58/64,936.36 = 16,989.78/x
  3. Step 3: Cross multiply
    43,266.58x = 64,936.36 × 16,989.78
  4. Step 4: Simplify right side
    43,266.58x = 1,103,254,470.40
  5. Step 5: Solve for x
    x = 1,103,254,470.40/43,266.58
  6. Step 6: Final answer
    x = 25,499.00

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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.