Home / 37,394.66-56,079.81-12,428.00

Finding the Fourth Proportional to 37,394.66, 56,079.81 and 12,428.00

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Solution

The fourth proportional to 37,394.66, 56,079.81 and 12,428.00 is: 18,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,394.66 : 56,079.81 = 12,428.00 : x
  2. Step 2: Convert to fraction form
    37,394.66/56,079.81 = 12,428.00/x
  3. Step 3: Cross multiply
    37,394.66x = 56,079.81 × 12,428.00
  4. Step 4: Simplify right side
    37,394.66x = 696,960,018.88
  5. Step 5: Solve for x
    x = 696,960,018.88/37,394.66
  6. Step 6: Final answer
    x = 18,637.95

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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.