Home / 43,270.68-64,883.40-19,557.84

Finding the Fourth Proportional to 43,270.68, 64,883.40 and 19,557.84

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Solution

The fourth proportional to 43,270.68, 64,883.40 and 19,557.84 is: 29,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,270.68 : 64,883.40 = 19,557.84 : x
  2. Step 2: Convert to fraction form
    43,270.68/64,883.40 = 19,557.84/x
  3. Step 3: Cross multiply
    43,270.68x = 64,883.40 × 19,557.84
  4. Step 4: Simplify right side
    43,270.68x = 1,268,979,155.86
  5. Step 5: Solve for x
    x = 1,268,979,155.86/43,270.68
  6. Step 6: Final answer
    x = 29,326.54

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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.