Home / 54,389.40-81,507.52-43,246.63

Finding the Fourth Proportional to 54,389.40, 81,507.52 and 43,246.63

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Solution

The fourth proportional to 54,389.40, 81,507.52 and 43,246.63 is: 64,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389.40 : 81,507.52 = 43,246.63 : x
  2. Step 2: Convert to fraction form
    54,389.40/81,507.52 = 43,246.63/x
  3. Step 3: Cross multiply
    54,389.40x = 81,507.52 × 43,246.63
  4. Step 4: Simplify right side
    54,389.40x = 3,524,925,559.66
  5. Step 5: Solve for x
    x = 3,524,925,559.66/54,389.40
  6. Step 6: Final answer
    x = 64,809.05

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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.