Home / 34,400.34-51,615.12-18,799.74

Finding the Fourth Proportional to 34,400.34, 51,615.12 and 18,799.74

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Solution

The fourth proportional to 34,400.34, 51,615.12 and 18,799.74 is: 28,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,400.34 : 51,615.12 = 18,799.74 : x
  2. Step 2: Convert to fraction form
    34,400.34/51,615.12 = 18,799.74/x
  3. Step 3: Cross multiply
    34,400.34x = 51,615.12 × 18,799.74
  4. Step 4: Simplify right side
    34,400.34x = 970,350,836.07
  5. Step 5: Solve for x
    x = 970,350,836.07/34,400.34
  6. Step 6: Final answer
    x = 28,207.59

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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.