Home / 43,152.40-64,723.56-11,565.19

Finding the Fourth Proportional to 43,152.40, 64,723.56 and 11,565.19

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Solution

The fourth proportional to 43,152.40, 64,723.56 and 11,565.19 is: 17,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,152.40 : 64,723.56 = 11,565.19 : x
  2. Step 2: Convert to fraction form
    43,152.40/64,723.56 = 11,565.19/x
  3. Step 3: Cross multiply
    43,152.40x = 64,723.56 × 11,565.19
  4. Step 4: Simplify right side
    43,152.40x = 748,540,268.88
  5. Step 5: Solve for x
    x = 748,540,268.88/43,152.40
  6. Step 6: Final answer
    x = 17,346.43

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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.