Home / 38,346.20-57,521.10-12,051.80

Finding the Fourth Proportional to 38,346.20, 57,521.10 and 12,051.80

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Solution

The fourth proportional to 38,346.20, 57,521.10 and 12,051.80 is: 18,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.20 : 57,521.10 = 12,051.80 : x
  2. Step 2: Convert to fraction form
    38,346.20/57,521.10 = 12,051.80/x
  3. Step 3: Cross multiply
    38,346.20x = 57,521.10 × 12,051.80
  4. Step 4: Simplify right side
    38,346.20x = 693,232,792.98
  5. Step 5: Solve for x
    x = 693,232,792.98/38,346.20
  6. Step 6: Final answer
    x = 18,078.27

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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.