Home / 37,485.66-51,731.31-20,490.84

Finding the Fourth Proportional to 37,485.66, 51,731.31 and 20,490.84

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Solution

The fourth proportional to 37,485.66, 51,731.31 and 20,490.84 is: 28,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485.66 : 51,731.31 = 20,490.84 : x
  2. Step 2: Convert to fraction form
    37,485.66/51,731.31 = 20,490.84/x
  3. Step 3: Cross multiply
    37,485.66x = 51,731.31 × 20,490.84
  4. Step 4: Simplify right side
    37,485.66x = 1,060,017,996.20
  5. Step 5: Solve for x
    x = 1,060,017,996.20/37,485.66
  6. Step 6: Final answer
    x = 28,277.96

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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.