Home / 54,353.72-74,982.60-38,446.94

Finding the Fourth Proportional to 54,353.72, 74,982.60 and 38,446.94

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Solution

The fourth proportional to 54,353.72, 74,982.60 and 38,446.94 is: 53,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.72 : 74,982.60 = 38,446.94 : x
  2. Step 2: Convert to fraction form
    54,353.72/74,982.60 = 38,446.94/x
  3. Step 3: Cross multiply
    54,353.72x = 74,982.60 × 38,446.94
  4. Step 4: Simplify right side
    54,353.72x = 2,882,851,710.70
  5. Step 5: Solve for x
    x = 2,882,851,710.70/54,353.72
  6. Step 6: Final answer
    x = 53,038.72

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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.