Home / 38,790.54-58,185.84-12,495.24

Finding the Fourth Proportional to 38,790.54, 58,185.84 and 12,495.24

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Solution

The fourth proportional to 38,790.54, 58,185.84 and 12,495.24 is: 18,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,790.54 : 58,185.84 = 12,495.24 : x
  2. Step 2: Convert to fraction form
    38,790.54/58,185.84 = 12,495.24/x
  3. Step 3: Cross multiply
    38,790.54x = 58,185.84 × 12,495.24
  4. Step 4: Simplify right side
    38,790.54x = 727,046,035.40
  5. Step 5: Solve for x
    x = 727,046,035.40/38,790.54
  6. Step 6: Final answer
    x = 18,742.87

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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.