Home / 34,186.80-51,270.60-10,820.40

Finding the Fourth Proportional to 34,186.80, 51,270.60 and 10,820.40

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Solution

The fourth proportional to 34,186.80, 51,270.60 and 10,820.40 is: 16,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,186.80 : 51,270.60 = 10,820.40 : x
  2. Step 2: Convert to fraction form
    34,186.80/51,270.60 = 10,820.40/x
  3. Step 3: Cross multiply
    34,186.80x = 51,270.60 × 10,820.40
  4. Step 4: Simplify right side
    34,186.80x = 554,768,400.24
  5. Step 5: Solve for x
    x = 554,768,400.24/34,186.80
  6. Step 6: Final answer
    x = 16,227.56

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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.