Home / 37,608.87-51,900.65-20,612.75

Finding the Fourth Proportional to 37,608.87, 51,900.65 and 20,612.75

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Solution

The fourth proportional to 37,608.87, 51,900.65 and 20,612.75 is: 28,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,608.87 : 51,900.65 = 20,612.75 : x
  2. Step 2: Convert to fraction form
    37,608.87/51,900.65 = 20,612.75/x
  3. Step 3: Cross multiply
    37,608.87x = 51,900.65 × 20,612.75
  4. Step 4: Simplify right side
    37,608.87x = 1,069,815,123.29
  5. Step 5: Solve for x
    x = 1,069,815,123.29/37,608.87
  6. Step 6: Final answer
    x = 28,445.82

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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.