Home / 54,429.84-75,110.76-30,556.08

Finding the Fourth Proportional to 54,429.84, 75,110.76 and 30,556.08

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Solution

The fourth proportional to 54,429.84, 75,110.76 and 30,556.08 is: 42,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.84 : 75,110.76 = 30,556.08 : x
  2. Step 2: Convert to fraction form
    54,429.84/75,110.76 = 30,556.08/x
  3. Step 3: Cross multiply
    54,429.84x = 75,110.76 × 30,556.08
  4. Step 4: Simplify right side
    54,429.84x = 2,295,090,391.42
  5. Step 5: Solve for x
    x = 2,295,090,391.42/54,429.84
  6. Step 6: Final answer
    x = 42,166.03

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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.