Home / 54,592.23-75,336.38-30,718.89

Finding the Fourth Proportional to 54,592.23, 75,336.38 and 30,718.89

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Solution

The fourth proportional to 54,592.23, 75,336.38 and 30,718.89 is: 42,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,592.23 : 75,336.38 = 30,718.89 : x
  2. Step 2: Convert to fraction form
    54,592.23/75,336.38 = 30,718.89/x
  3. Step 3: Cross multiply
    54,592.23x = 75,336.38 × 30,718.89
  4. Step 4: Simplify right side
    54,592.23x = 2,314,249,816.62
  5. Step 5: Solve for x
    x = 2,314,249,816.62/54,592.23
  6. Step 6: Final answer
    x = 42,391.56

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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.