Home / 38,660.58-57,998.16-12,358.26

Finding the Fourth Proportional to 38,660.58, 57,998.16 and 12,358.26

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Solution

The fourth proportional to 38,660.58, 57,998.16 and 12,358.26 is: 18,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.58 : 57,998.16 = 12,358.26 : x
  2. Step 2: Convert to fraction form
    38,660.58/57,998.16 = 12,358.26/x
  3. Step 3: Cross multiply
    38,660.58x = 57,998.16 × 12,358.26
  4. Step 4: Simplify right side
    38,660.58x = 716,756,340.80
  5. Step 5: Solve for x
    x = 716,756,340.80/38,660.58
  6. Step 6: Final answer
    x = 18,539.72

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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.