Home / 30,532.92-45,815-14,540.56

Finding the Fourth Proportional to 30,532.92, 45,815 and 14,540.56

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Solution

The fourth proportional to 30,532.92, 45,815 and 14,540.56 is: 21,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532.92 : 45,815 = 14,540.56 : x
  2. Step 2: Convert to fraction form
    30,532.92/45,815 = 14,540.56/x
  3. Step 3: Cross multiply
    30,532.92x = 45,815 × 14,540.56
  4. Step 4: Simplify right side
    30,532.92x = 666,175,756.40
  5. Step 5: Solve for x
    x = 666,175,756.40/30,532.92
  6. Step 6: Final answer
    x = 21,818.28

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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.