Home / 37,570.20-56,356.20-12,611.06

Finding the Fourth Proportional to 37,570.20, 56,356.20 and 12,611.06

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Solution

The fourth proportional to 37,570.20, 56,356.20 and 12,611.06 is: 18,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,570.20 : 56,356.20 = 12,611.06 : x
  2. Step 2: Convert to fraction form
    37,570.20/56,356.20 = 12,611.06/x
  3. Step 3: Cross multiply
    37,570.20x = 56,356.20 × 12,611.06
  4. Step 4: Simplify right side
    37,570.20x = 710,711,137.79
  5. Step 5: Solve for x
    x = 710,711,137.79/37,570.20
  6. Step 6: Final answer
    x = 18,916.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.