Home / 30,484.88-45,741.89-10,772.72

Finding the Fourth Proportional to 30,484.88, 45,741.89 and 10,772.72

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Solution

The fourth proportional to 30,484.88, 45,741.89 and 10,772.72 is: 16,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.88 : 45,741.89 = 10,772.72 : x
  2. Step 2: Convert to fraction form
    30,484.88/45,741.89 = 10,772.72/x
  3. Step 3: Cross multiply
    30,484.88x = 45,741.89 × 10,772.72
  4. Step 4: Simplify right side
    30,484.88x = 492,764,290.67
  5. Step 5: Solve for x
    x = 492,764,290.67/30,484.88
  6. Step 6: Final answer
    x = 16,164.22

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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.