Home / 34,930.54-48,220.38-20,585.86

Finding the Fourth Proportional to 34,930.54, 48,220.38 and 20,585.86

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Solution

The fourth proportional to 34,930.54, 48,220.38 and 20,585.86 is: 28,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,930.54 : 48,220.38 = 20,585.86 : x
  2. Step 2: Convert to fraction form
    34,930.54/48,220.38 = 20,585.86/x
  3. Step 3: Cross multiply
    34,930.54x = 48,220.38 × 20,585.86
  4. Step 4: Simplify right side
    34,930.54x = 992,657,991.83
  5. Step 5: Solve for x
    x = 992,657,991.83/34,930.54
  6. Step 6: Final answer
    x = 28,418.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.