Home / 34,409.61-51,630.21-20,397.42

Finding the Fourth Proportional to 34,409.61, 51,630.21 and 20,397.42

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Solution

The fourth proportional to 34,409.61, 51,630.21 and 20,397.42 is: 30,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,409.61 : 51,630.21 = 20,397.42 : x
  2. Step 2: Convert to fraction form
    34,409.61/51,630.21 = 20,397.42/x
  3. Step 3: Cross multiply
    34,409.61x = 51,630.21 × 20,397.42
  4. Step 4: Simplify right side
    34,409.61x = 1,053,123,078.06
  5. Step 5: Solve for x
    x = 1,053,123,078.06/34,409.61
  6. Step 6: Final answer
    x = 30,605.49

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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.