Home / 37,581.29-56,378.43-12,623.75

Finding the Fourth Proportional to 37,581.29, 56,378.43 and 12,623.75

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Solution

The fourth proportional to 37,581.29, 56,378.43 and 12,623.75 is: 18,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,581.29 : 56,378.43 = 12,623.75 : x
  2. Step 2: Convert to fraction form
    37,581.29/56,378.43 = 12,623.75/x
  3. Step 3: Cross multiply
    37,581.29x = 56,378.43 × 12,623.75
  4. Step 4: Simplify right side
    37,581.29x = 711,707,205.71
  5. Step 5: Solve for x
    x = 711,707,205.71/37,581.29
  6. Step 6: Final answer
    x = 18,937.81

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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.