Home / 38,086.40-57,131.84-14,712.96

Finding the Fourth Proportional to 38,086.40, 57,131.84 and 14,712.96

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Solution

The fourth proportional to 38,086.40, 57,131.84 and 14,712.96 is: 22,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086.40 : 57,131.84 = 14,712.96 : x
  2. Step 2: Convert to fraction form
    38,086.40/57,131.84 = 14,712.96/x
  3. Step 3: Cross multiply
    38,086.40x = 57,131.84 × 14,712.96
  4. Step 4: Simplify right side
    38,086.40x = 840,578,476.65
  5. Step 5: Solve for x
    x = 840,578,476.65/38,086.40
  6. Step 6: Final answer
    x = 22,070.31

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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.