Home / 37,422.81-56,127.84-12,460.03

Finding the Fourth Proportional to 37,422.81, 56,127.84 and 12,460.03

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Solution

The fourth proportional to 37,422.81, 56,127.84 and 12,460.03 is: 18,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422.81 : 56,127.84 = 12,460.03 : x
  2. Step 2: Convert to fraction form
    37,422.81/56,127.84 = 12,460.03/x
  3. Step 3: Cross multiply
    37,422.81x = 56,127.84 × 12,460.03
  4. Step 4: Simplify right side
    37,422.81x = 699,354,383.19
  5. Step 5: Solve for x
    x = 699,354,383.19/37,422.81
  6. Step 6: Final answer
    x = 18,687.92

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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.