Home / 54,272.08-81,340.08-30,911.68

Finding the Fourth Proportional to 54,272.08, 81,340.08 and 30,911.68

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Solution

The fourth proportional to 54,272.08, 81,340.08 and 30,911.68 is: 46,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.08 : 81,340.08 = 30,911.68 : x
  2. Step 2: Convert to fraction form
    54,272.08/81,340.08 = 30,911.68/x
  3. Step 3: Cross multiply
    54,272.08x = 81,340.08 × 30,911.68
  4. Step 4: Simplify right side
    54,272.08x = 2,514,358,524.13
  5. Step 5: Solve for x
    x = 2,514,358,524.13/54,272.08
  6. Step 6: Final answer
    x = 46,328.77

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1.5x scale

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.