Home / 54,131.32-81,080.34-26,371

Finding the Fourth Proportional to 54,131.32, 81,080.34 and 26,371

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Solution

The fourth proportional to 54,131.32, 81,080.34 and 26,371 is: 39,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.32 : 81,080.34 = 26,371 : x
  2. Step 2: Convert to fraction form
    54,131.32/81,080.34 = 26,371/x
  3. Step 3: Cross multiply
    54,131.32x = 81,080.34 × 26,371
  4. Step 4: Simplify right side
    54,131.32x = 2,138,169,646.14
  5. Step 5: Solve for x
    x = 2,138,169,646.14/54,131.32
  6. Step 6: Final answer
    x = 39,499.68

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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.