Home / 54,723.69-82,085.55-13,170.69

Finding the Fourth Proportional to 54,723.69, 82,085.55 and 13,170.69

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Solution

The fourth proportional to 54,723.69, 82,085.55 and 13,170.69 is: 19,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,723.69 : 82,085.55 = 13,170.69 : x
  2. Step 2: Convert to fraction form
    54,723.69/82,085.55 = 13,170.69/x
  3. Step 3: Cross multiply
    54,723.69x = 82,085.55 × 13,170.69
  4. Step 4: Simplify right side
    54,723.69x = 1,081,123,332.53
  5. Step 5: Solve for x
    x = 1,081,123,332.53/54,723.69
  6. Step 6: Final answer
    x = 19,756.04

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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.