Home / 54,673.11-75,448.55-30,807.47

Finding the Fourth Proportional to 54,673.11, 75,448.55 and 30,807.47

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Solution

The fourth proportional to 54,673.11, 75,448.55 and 30,807.47 is: 42,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,673.11 : 75,448.55 = 30,807.47 : x
  2. Step 2: Convert to fraction form
    54,673.11/75,448.55 = 30,807.47/x
  3. Step 3: Cross multiply
    54,673.11x = 75,448.55 × 30,807.47
  4. Step 4: Simplify right side
    54,673.11x = 2,324,379,206.31
  5. Step 5: Solve for x
    x = 2,324,379,206.31/54,673.11
  6. Step 6: Final answer
    x = 42,514.12

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1.5x scale

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.