Home / 37,686.92-56,531.57-18,956.72

Finding the Fourth Proportional to 37,686.92, 56,531.57 and 18,956.72

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Solution

The fourth proportional to 37,686.92, 56,531.57 and 18,956.72 is: 28,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.92 : 56,531.57 = 18,956.72 : x
  2. Step 2: Convert to fraction form
    37,686.92/56,531.57 = 18,956.72/x
  3. Step 3: Cross multiply
    37,686.92x = 56,531.57 × 18,956.72
  4. Step 4: Simplify right side
    37,686.92x = 1,071,653,190.20
  5. Step 5: Solve for x
    x = 1,071,653,190.20/37,686.92
  6. Step 6: Final answer
    x = 28,435.68

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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.