Home / 34,830.20-52,223.70-20,031.80

Finding the Fourth Proportional to 34,830.20, 52,223.70 and 20,031.80

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Solution

The fourth proportional to 34,830.20, 52,223.70 and 20,031.80 is: 30,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.20 : 52,223.70 = 20,031.80 : x
  2. Step 2: Convert to fraction form
    34,830.20/52,223.70 = 20,031.80/x
  3. Step 3: Cross multiply
    34,830.20x = 52,223.70 × 20,031.80
  4. Step 4: Simplify right side
    34,830.20x = 1,046,134,713.66
  5. Step 5: Solve for x
    x = 1,046,134,713.66/34,830.20
  6. Step 6: Final answer
    x = 30,035.28

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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.