Home / 37,420.75-56,140.10-12,461.03

Finding the Fourth Proportional to 37,420.75, 56,140.10 and 12,461.03

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Solution

The fourth proportional to 37,420.75, 56,140.10 and 12,461.03 is: 18,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.75 : 56,140.10 = 12,461.03 : x
  2. Step 2: Convert to fraction form
    37,420.75/56,140.10 = 12,461.03/x
  3. Step 3: Cross multiply
    37,420.75x = 56,140.10 × 12,461.03
  4. Step 4: Simplify right side
    37,420.75x = 699,563,127.30
  5. Step 5: Solve for x
    x = 699,563,127.30/37,420.75
  6. Step 6: Final answer
    x = 18,694.53

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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.