Home / 51,178.51-70,625.28-28,517.41

Finding the Fourth Proportional to 51,178.51, 70,625.28 and 28,517.41

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Solution

The fourth proportional to 51,178.51, 70,625.28 and 28,517.41 is: 39,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178.51 : 70,625.28 = 28,517.41 : x
  2. Step 2: Convert to fraction form
    51,178.51/70,625.28 = 28,517.41/x
  3. Step 3: Cross multiply
    51,178.51x = 70,625.28 × 28,517.41
  4. Step 4: Simplify right side
    51,178.51x = 2,014,050,066.12
  5. Step 5: Solve for x
    x = 2,014,050,066.12/51,178.51
  6. Step 6: Final answer
    x = 39,353.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.