Home / 39,167.57-54,157.56-38,534.51

Finding the Fourth Proportional to 39,167.57, 54,157.56 and 38,534.51

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Solution

The fourth proportional to 39,167.57, 54,157.56 and 38,534.51 is: 53,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.57 : 54,157.56 = 38,534.51 : x
  2. Step 2: Convert to fraction form
    39,167.57/54,157.56 = 38,534.51/x
  3. Step 3: Cross multiply
    39,167.57x = 54,157.56 × 38,534.51
  4. Step 4: Simplify right side
    39,167.57x = 2,086,935,037.40
  5. Step 5: Solve for x
    x = 2,086,935,037.40/39,167.57
  6. Step 6: Final answer
    x = 53,282.22

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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.