Home / 43,123.02-64,662.65-19,729.41

Finding the Fourth Proportional to 43,123.02, 64,662.65 and 19,729.41

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Solution

The fourth proportional to 43,123.02, 64,662.65 and 19,729.41 is: 29,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,123.02 : 64,662.65 = 19,729.41 : x
  2. Step 2: Convert to fraction form
    43,123.02/64,662.65 = 19,729.41/x
  3. Step 3: Cross multiply
    43,123.02x = 64,662.65 × 19,729.41
  4. Step 4: Simplify right side
    43,123.02x = 1,275,755,777.37
  5. Step 5: Solve for x
    x = 1,275,755,777.37/43,123.02
  6. Step 6: Final answer
    x = 29,584.10

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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.