Home / 34,168.20-51,259.80-10,479.00

Finding the Fourth Proportional to 34,168.20, 51,259.80 and 10,479.00

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Solution

The fourth proportional to 34,168.20, 51,259.80 and 10,479.00 is: 15,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,168.20 : 51,259.80 = 10,479.00 : x
  2. Step 2: Convert to fraction form
    34,168.20/51,259.80 = 10,479.00/x
  3. Step 3: Cross multiply
    34,168.20x = 51,259.80 × 10,479.00
  4. Step 4: Simplify right side
    34,168.20x = 537,151,675.72
  5. Step 5: Solve for x
    x = 537,151,675.72/34,168.20
  6. Step 6: Final answer
    x = 15,720.81

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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.