Home / 37,385.53-51,590.59-20,618.53

Finding the Fourth Proportional to 37,385.53, 51,590.59 and 20,618.53

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Solution

The fourth proportional to 37,385.53, 51,590.59 and 20,618.53 is: 28,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,385.53 : 51,590.59 = 20,618.53 : x
  2. Step 2: Convert to fraction form
    37,385.53/51,590.59 = 20,618.53/x
  3. Step 3: Cross multiply
    37,385.53x = 51,590.59 × 20,618.53
  4. Step 4: Simplify right side
    37,385.53x = 1,063,722,127.63
  5. Step 5: Solve for x
    x = 1,063,722,127.63/37,385.53
  6. Step 6: Final answer
    x = 28,452.78

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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.