Home / 54,814.04-75,646.78-30,932

Finding the Fourth Proportional to 54,814.04, 75,646.78 and 30,932

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Solution

The fourth proportional to 54,814.04, 75,646.78 and 30,932 is: 42,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,814.04 : 75,646.78 = 30,932 : x
  2. Step 2: Convert to fraction form
    54,814.04/75,646.78 = 30,932/x
  3. Step 3: Cross multiply
    54,814.04x = 75,646.78 × 30,932
  4. Step 4: Simplify right side
    54,814.04x = 2,339,906,198.96
  5. Step 5: Solve for x
    x = 2,339,906,198.96/54,814.04
  6. Step 6: Final answer
    x = 42,688.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.