Home / 37,635.92-56,457.79-12,678.74

Finding the Fourth Proportional to 37,635.92, 56,457.79 and 12,678.74

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Solution

The fourth proportional to 37,635.92, 56,457.79 and 12,678.74 is: 19,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,635.92 : 56,457.79 = 12,678.74 : x
  2. Step 2: Convert to fraction form
    37,635.92/56,457.79 = 12,678.74/x
  3. Step 3: Cross multiply
    37,635.92x = 56,457.79 × 12,678.74
  4. Step 4: Simplify right side
    37,635.92x = 715,813,326.40
  5. Step 5: Solve for x
    x = 715,813,326.40/37,635.92
  6. Step 6: Final answer
    x = 19,019.42

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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.