Home / 39,153.56-58,678.01-20,394.27

Finding the Fourth Proportional to 39,153.56, 58,678.01 and 20,394.27

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Solution

The fourth proportional to 39,153.56, 58,678.01 and 20,394.27 is: 30,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.56 : 58,678.01 = 20,394.27 : x
  2. Step 2: Convert to fraction form
    39,153.56/58,678.01 = 20,394.27/x
  3. Step 3: Cross multiply
    39,153.56x = 58,678.01 × 20,394.27
  4. Step 4: Simplify right side
    39,153.56x = 1,196,695,077.03
  5. Step 5: Solve for x
    x = 1,196,695,077.03/39,153.56
  6. Step 6: Final answer
    x = 30,564.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.