Home / 45,188.51-67,757.33-18,527.15

Finding the Fourth Proportional to 45,188.51, 67,757.33 and 18,527.15

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Solution

The fourth proportional to 45,188.51, 67,757.33 and 18,527.15 is: 27,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.51 : 67,757.33 = 18,527.15 : x
  2. Step 2: Convert to fraction form
    45,188.51/67,757.33 = 18,527.15/x
  3. Step 3: Cross multiply
    45,188.51x = 67,757.33 × 18,527.15
  4. Step 4: Simplify right side
    45,188.51x = 1,255,349,785.09
  5. Step 5: Solve for x
    x = 1,255,349,785.09/45,188.51
  6. Step 6: Final answer
    x = 27,780.29

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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.