Home / 54,651.60-81,875.34-31,206.96

Finding the Fourth Proportional to 54,651.60, 81,875.34 and 31,206.96

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Solution

The fourth proportional to 54,651.60, 81,875.34 and 31,206.96 is: 46,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,651.60 : 81,875.34 = 31,206.96 : x
  2. Step 2: Convert to fraction form
    54,651.60/81,875.34 = 31,206.96/x
  3. Step 3: Cross multiply
    54,651.60x = 81,875.34 × 31,206.96
  4. Step 4: Simplify right side
    54,651.60x = 2,555,080,460.37
  5. Step 5: Solve for x
    x = 2,555,080,460.37/54,651.60
  6. Step 6: Final answer
    x = 46,752.16

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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.