Home / 43,229.54-64,851.02-18,269.70

Finding the Fourth Proportional to 43,229.54, 64,851.02 and 18,269.70

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Solution

The fourth proportional to 43,229.54, 64,851.02 and 18,269.70 is: 27,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,229.54 : 64,851.02 = 18,269.70 : x
  2. Step 2: Convert to fraction form
    43,229.54/64,851.02 = 18,269.70/x
  3. Step 3: Cross multiply
    43,229.54x = 64,851.02 × 18,269.70
  4. Step 4: Simplify right side
    43,229.54x = 1,184,808,414.07
  5. Step 5: Solve for x
    x = 1,184,808,414.07/43,229.54
  6. Step 6: Final answer
    x = 27,407.38

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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.