Home / 38,367.09-57,557.93-12,079.35

Finding the Fourth Proportional to 38,367.09, 57,557.93 and 12,079.35

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Solution

The fourth proportional to 38,367.09, 57,557.93 and 12,079.35 is: 18,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,367.09 : 57,557.93 = 12,079.35 : x
  2. Step 2: Convert to fraction form
    38,367.09/57,557.93 = 12,079.35/x
  3. Step 3: Cross multiply
    38,367.09x = 57,557.93 × 12,079.35
  4. Step 4: Simplify right side
    38,367.09x = 695,262,321.35
  5. Step 5: Solve for x
    x = 695,262,321.35/38,367.09
  6. Step 6: Final answer
    x = 18,121.32

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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.