Home / 43,510.20-65,267.78-12,343

Finding the Fourth Proportional to 43,510.20, 65,267.78 and 12,343

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Solution

The fourth proportional to 43,510.20, 65,267.78 and 12,343 is: 18,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,510.20 : 65,267.78 = 12,343 : x
  2. Step 2: Convert to fraction form
    43,510.20/65,267.78 = 12,343/x
  3. Step 3: Cross multiply
    43,510.20x = 65,267.78 × 12,343
  4. Step 4: Simplify right side
    43,510.20x = 805,600,208.54
  5. Step 5: Solve for x
    x = 805,600,208.54/43,510.20
  6. Step 6: Final answer
    x = 18,515.20

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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.