Home / 38,495.35-57,734.32-12,185.74

Finding the Fourth Proportional to 38,495.35, 57,734.32 and 12,185.74

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Solution

The fourth proportional to 38,495.35, 57,734.32 and 12,185.74 is: 18,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495.35 : 57,734.32 = 12,185.74 : x
  2. Step 2: Convert to fraction form
    38,495.35/57,734.32 = 12,185.74/x
  3. Step 3: Cross multiply
    38,495.35x = 57,734.32 × 12,185.74
  4. Step 4: Simplify right side
    38,495.35x = 703,535,572.16
  5. Step 5: Solve for x
    x = 703,535,572.16/38,495.35
  6. Step 6: Final answer
    x = 18,275.86

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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.