Home / 54,353.47-74,982.26-38,446.69

Finding the Fourth Proportional to 54,353.47, 74,982.26 and 38,446.69

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Solution

The fourth proportional to 54,353.47, 74,982.26 and 38,446.69 is: 53,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.47 : 74,982.26 = 38,446.69 : x
  2. Step 2: Convert to fraction form
    54,353.47/74,982.26 = 38,446.69/x
  3. Step 3: Cross multiply
    54,353.47x = 74,982.26 × 38,446.69
  4. Step 4: Simplify right side
    54,353.47x = 2,882,819,513.49
  5. Step 5: Solve for x
    x = 2,882,819,513.49/54,353.47
  6. Step 6: Final answer
    x = 53,038.37

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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.