Home / 39,173.04-54,165.18-38,540.04

Finding the Fourth Proportional to 39,173.04, 54,165.18 and 38,540.04

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Solution

The fourth proportional to 39,173.04, 54,165.18 and 38,540.04 is: 53,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.04 : 54,165.18 = 38,540.04 : x
  2. Step 2: Convert to fraction form
    39,173.04/54,165.18 = 38,540.04/x
  3. Step 3: Cross multiply
    39,173.04x = 54,165.18 × 38,540.04
  4. Step 4: Simplify right side
    39,173.04x = 2,087,528,203.81
  5. Step 5: Solve for x
    x = 2,087,528,203.81/39,173.04
  6. Step 6: Final answer
    x = 53,289.92

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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.