Home / 39,168.57-54,158.94-38,535.51

Finding the Fourth Proportional to 39,168.57, 54,158.94 and 38,535.51

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Solution

The fourth proportional to 39,168.57, 54,158.94 and 38,535.51 is: 53,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.57 : 54,158.94 = 38,535.51 : x
  2. Step 2: Convert to fraction form
    39,168.57/54,158.94 = 38,535.51/x
  3. Step 3: Cross multiply
    39,168.57x = 54,158.94 × 38,535.51
  4. Step 4: Simplify right side
    39,168.57x = 2,087,042,373.96
  5. Step 5: Solve for x
    x = 2,087,042,373.96/39,168.57
  6. Step 6: Final answer
    x = 53,283.60

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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.