Home / 54,078.12-81,117.36-16,637.94

Finding the Fourth Proportional to 54,078.12, 81,117.36 and 16,637.94

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Solution

The fourth proportional to 54,078.12, 81,117.36 and 16,637.94 is: 24,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.12 : 81,117.36 = 16,637.94 : x
  2. Step 2: Convert to fraction form
    54,078.12/81,117.36 = 16,637.94/x
  3. Step 3: Cross multiply
    54,078.12x = 81,117.36 × 16,637.94
  4. Step 4: Simplify right side
    54,078.12x = 1,349,625,768.64
  5. Step 5: Solve for x
    x = 1,349,625,768.64/54,078.12
  6. Step 6: Final answer
    x = 24,956.97

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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.