Home / 37,886.09-56,834.97-12,920.30

Finding the Fourth Proportional to 37,886.09, 56,834.97 and 12,920.30

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Solution

The fourth proportional to 37,886.09, 56,834.97 and 12,920.30 is: 19,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.09 : 56,834.97 = 12,920.30 : x
  2. Step 2: Convert to fraction form
    37,886.09/56,834.97 = 12,920.30/x
  3. Step 3: Cross multiply
    37,886.09x = 56,834.97 × 12,920.30
  4. Step 4: Simplify right side
    37,886.09x = 734,324,627.17
  5. Step 5: Solve for x
    x = 734,324,627.17/37,886.09
  6. Step 6: Final answer
    x = 19,382.44

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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.