Home / 37,385.56-51,590.64-20,618.56

Finding the Fourth Proportional to 37,385.56, 51,590.64 and 20,618.56

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Solution

The fourth proportional to 37,385.56, 51,590.64 and 20,618.56 is: 28,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,385.56 : 51,590.64 = 20,618.56 : x
  2. Step 2: Convert to fraction form
    37,385.56/51,590.64 = 20,618.56/x
  3. Step 3: Cross multiply
    37,385.56x = 51,590.64 × 20,618.56
  4. Step 4: Simplify right side
    37,385.56x = 1,063,724,577.30
  5. Step 5: Solve for x
    x = 1,063,724,577.30/37,385.56
  6. Step 6: Final answer
    x = 28,452.82

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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.