Home / 38,041.12-57,056.32-13,080.80

Finding the Fourth Proportional to 38,041.12, 57,056.32 and 13,080.80

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Solution

The fourth proportional to 38,041.12, 57,056.32 and 13,080.80 is: 19,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,041.12 : 57,056.32 = 13,080.80 : x
  2. Step 2: Convert to fraction form
    38,041.12/57,056.32 = 13,080.80/x
  3. Step 3: Cross multiply
    38,041.12x = 57,056.32 × 13,080.80
  4. Step 4: Simplify right side
    38,041.12x = 746,342,310.66
  5. Step 5: Solve for x
    x = 746,342,310.66/38,041.12
  6. Step 6: Final answer
    x = 19,619.36

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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.