Home / 34,191.40-51,282.30-10,820.20

Finding the Fourth Proportional to 34,191.40, 51,282.30 and 10,820.20

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Solution

The fourth proportional to 34,191.40, 51,282.30 and 10,820.20 is: 16,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,191.40 : 51,282.30 = 10,820.20 : x
  2. Step 2: Convert to fraction form
    34,191.40/51,282.30 = 10,820.20/x
  3. Step 3: Cross multiply
    34,191.40x = 51,282.30 × 10,820.20
  4. Step 4: Simplify right side
    34,191.40x = 554,884,742.46
  5. Step 5: Solve for x
    x = 554,884,742.46/34,191.40
  6. Step 6: Final answer
    x = 16,228.78

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1.5x scale

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.