Home / 30,564.10-45,835.80-10,839.88

Finding the Fourth Proportional to 30,564.10, 45,835.80 and 10,839.88

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Solution

The fourth proportional to 30,564.10, 45,835.80 and 10,839.88 is: 16,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,564.10 : 45,835.80 = 10,839.88 : x
  2. Step 2: Convert to fraction form
    30,564.10/45,835.80 = 10,839.88/x
  3. Step 3: Cross multiply
    30,564.10x = 45,835.80 × 10,839.88
  4. Step 4: Simplify right side
    30,564.10x = 496,854,571.70
  5. Step 5: Solve for x
    x = 496,854,571.70/30,564.10
  6. Step 6: Final answer
    x = 16,256.15

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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.