Home / 39,165.57-54,154.80-38,532.51

Finding the Fourth Proportional to 39,165.57, 54,154.80 and 38,532.51

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Solution

The fourth proportional to 39,165.57, 54,154.80 and 38,532.51 is: 53,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,165.57 : 54,154.80 = 38,532.51 : x
  2. Step 2: Convert to fraction form
    39,165.57/54,154.80 = 38,532.51/x
  3. Step 3: Cross multiply
    39,165.57x = 54,154.80 × 38,532.51
  4. Step 4: Simplify right side
    39,165.57x = 2,086,720,372.55
  5. Step 5: Solve for x
    x = 2,086,720,372.55/39,165.57
  6. Step 6: Final answer
    x = 53,279.46

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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.