Home / 54,130.32-81,078.84-26,370

Finding the Fourth Proportional to 54,130.32, 81,078.84 and 26,370

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Solution

The fourth proportional to 54,130.32, 81,078.84 and 26,370 is: 39,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.32 : 81,078.84 = 26,370 : x
  2. Step 2: Convert to fraction form
    54,130.32/81,078.84 = 26,370/x
  3. Step 3: Cross multiply
    54,130.32x = 81,078.84 × 26,370
  4. Step 4: Simplify right side
    54,130.32x = 2,138,049,010.80
  5. Step 5: Solve for x
    x = 2,138,049,010.80/54,130.32
  6. Step 6: Final answer
    x = 39,498.18

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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.