Home / 39,371.20-54,332.34-23,455.90

Finding the Fourth Proportional to 39,371.20, 54,332.34 and 23,455.90

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Solution

The fourth proportional to 39,371.20, 54,332.34 and 23,455.90 is: 32,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371.20 : 54,332.34 = 23,455.90 : x
  2. Step 2: Convert to fraction form
    39,371.20/54,332.34 = 23,455.90/x
  3. Step 3: Cross multiply
    39,371.20x = 54,332.34 × 23,455.90
  4. Step 4: Simplify right side
    39,371.20x = 1,274,413,933.81
  5. Step 5: Solve for x
    x = 1,274,413,933.81/39,371.20
  6. Step 6: Final answer
    x = 32,369.19

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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.