Home / 54,738.48-75,537.60-30,864.96

Finding the Fourth Proportional to 54,738.48, 75,537.60 and 30,864.96

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Solution

The fourth proportional to 54,738.48, 75,537.60 and 30,864.96 is: 42,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,738.48 : 75,537.60 = 30,864.96 : x
  2. Step 2: Convert to fraction form
    54,738.48/75,537.60 = 30,864.96/x
  3. Step 3: Cross multiply
    54,738.48x = 75,537.60 × 30,864.96
  4. Step 4: Simplify right side
    54,738.48x = 2,331,465,002.50
  5. Step 5: Solve for x
    x = 2,331,465,002.50/54,738.48
  6. Step 6: Final answer
    x = 42,592.80

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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.