Home / 54,500.16-81,750.40-37,811.20

Finding the Fourth Proportional to 54,500.16, 81,750.40 and 37,811.20

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Solution

The fourth proportional to 54,500.16, 81,750.40 and 37,811.20 is: 56,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,500.16 : 81,750.40 = 37,811.20 : x
  2. Step 2: Convert to fraction form
    54,500.16/81,750.40 = 37,811.20/x
  3. Step 3: Cross multiply
    54,500.16x = 81,750.40 × 37,811.20
  4. Step 4: Simplify right side
    54,500.16x = 3,091,080,724.48
  5. Step 5: Solve for x
    x = 3,091,080,724.48/54,500.16
  6. Step 6: Final answer
    x = 56,716.91

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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.