Home / 38,114.41-52,596.37-21,118.90

Finding the Fourth Proportional to 38,114.41, 52,596.37 and 21,118.90

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Solution

The fourth proportional to 38,114.41, 52,596.37 and 21,118.90 is: 29,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,114.41 : 52,596.37 = 21,118.90 : x
  2. Step 2: Convert to fraction form
    38,114.41/52,596.37 = 21,118.90/x
  3. Step 3: Cross multiply
    38,114.41x = 52,596.37 × 21,118.90
  4. Step 4: Simplify right side
    38,114.41x = 1,110,777,478.39
  5. Step 5: Solve for x
    x = 1,110,777,478.39/38,114.41
  6. Step 6: Final answer
    x = 29,143.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.