Home / 54,590.69-75,329.03-30,716.84

Finding the Fourth Proportional to 54,590.69, 75,329.03 and 30,716.84

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Solution

The fourth proportional to 54,590.69, 75,329.03 and 30,716.84 is: 42,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.69 : 75,329.03 = 30,716.84 : x
  2. Step 2: Convert to fraction form
    54,590.69/75,329.03 = 30,716.84/x
  3. Step 3: Cross multiply
    54,590.69x = 75,329.03 × 30,716.84
  4. Step 4: Simplify right side
    54,590.69x = 2,313,870,026.98
  5. Step 5: Solve for x
    x = 2,313,870,026.98/54,590.69
  6. Step 6: Final answer
    x = 42,385.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.