Home / 51,290.42-76,929.35-13,847.63

Finding the Fourth Proportional to 51,290.42, 76,929.35 and 13,847.63

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Solution

The fourth proportional to 51,290.42, 76,929.35 and 13,847.63 is: 20,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290.42 : 76,929.35 = 13,847.63 : x
  2. Step 2: Convert to fraction form
    51,290.42/76,929.35 = 13,847.63/x
  3. Step 3: Cross multiply
    51,290.42x = 76,929.35 × 13,847.63
  4. Step 4: Simplify right side
    51,290.42x = 1,065,288,721.06
  5. Step 5: Solve for x
    x = 1,065,288,721.06/51,290.42
  6. Step 6: Final answer
    x = 20,769.74

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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.