Home / 54,784.07-82,176.10-13,231.07

Finding the Fourth Proportional to 54,784.07, 82,176.10 and 13,231.07

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Solution

The fourth proportional to 54,784.07, 82,176.10 and 13,231.07 is: 19,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,784.07 : 82,176.10 = 13,231.07 : x
  2. Step 2: Convert to fraction form
    54,784.07/82,176.10 = 13,231.07/x
  3. Step 3: Cross multiply
    54,784.07x = 82,176.10 × 13,231.07
  4. Step 4: Simplify right side
    54,784.07x = 1,087,277,320.55
  5. Step 5: Solve for x
    x = 1,087,277,320.55/54,784.07
  6. Step 6: Final answer
    x = 19,846.60

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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.