Home / 37,718.91-56,577.33-12,758.76

Finding the Fourth Proportional to 37,718.91, 56,577.33 and 12,758.76

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Solution

The fourth proportional to 37,718.91, 56,577.33 and 12,758.76 is: 19,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,718.91 : 56,577.33 = 12,758.76 : x
  2. Step 2: Convert to fraction form
    37,718.91/56,577.33 = 12,758.76/x
  3. Step 3: Cross multiply
    37,718.91x = 56,577.33 × 12,758.76
  4. Step 4: Simplify right side
    37,718.91x = 721,856,574.91
  5. Step 5: Solve for x
    x = 721,856,574.91/37,718.91
  6. Step 6: Final answer
    x = 19,137.79

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1.5x scale

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.