Home / 39,440.60-54,289.92-34,395.92

Finding the Fourth Proportional to 39,440.60, 54,289.92 and 34,395.92

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Solution

The fourth proportional to 39,440.60, 54,289.92 and 34,395.92 is: 47,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,440.60 : 54,289.92 = 34,395.92 : x
  2. Step 2: Convert to fraction form
    39,440.60/54,289.92 = 34,395.92/x
  3. Step 3: Cross multiply
    39,440.60x = 54,289.92 × 34,395.92
  4. Step 4: Simplify right side
    39,440.60x = 1,867,351,745.13
  5. Step 5: Solve for x
    x = 1,867,351,745.13/39,440.60
  6. Step 6: Final answer
    x = 47,345.93

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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.