Home / 42,847.96-64,278.06-13,268.44

Finding the Fourth Proportional to 42,847.96, 64,278.06 and 13,268.44

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Solution

The fourth proportional to 42,847.96, 64,278.06 and 13,268.44 is: 19,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,847.96 : 64,278.06 = 13,268.44 : x
  2. Step 2: Convert to fraction form
    42,847.96/64,278.06 = 13,268.44/x
  3. Step 3: Cross multiply
    42,847.96x = 64,278.06 × 13,268.44
  4. Step 4: Simplify right side
    42,847.96x = 852,869,582.43
  5. Step 5: Solve for x
    x = 852,869,582.43/42,847.96
  6. Step 6: Final answer
    x = 19,904.56

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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.