Home / 34,070.80-51,108.60-19,286.80

Finding the Fourth Proportional to 34,070.80, 51,108.60 and 19,286.80

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Solution

The fourth proportional to 34,070.80, 51,108.60 and 19,286.80 is: 28,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,070.80 : 51,108.60 = 19,286.80 : x
  2. Step 2: Convert to fraction form
    34,070.80/51,108.60 = 19,286.80/x
  3. Step 3: Cross multiply
    34,070.80x = 51,108.60 × 19,286.80
  4. Step 4: Simplify right side
    34,070.80x = 985,721,346.48
  5. Step 5: Solve for x
    x = 985,721,346.48/34,070.80
  6. Step 6: Final answer
    x = 28,931.56

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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.