Home / 39,323.68-54,318.60-29,135.40

Finding the Fourth Proportional to 39,323.68, 54,318.60 and 29,135.40

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Solution

The fourth proportional to 39,323.68, 54,318.60 and 29,135.40 is: 40,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,323.68 : 54,318.60 = 29,135.40 : x
  2. Step 2: Convert to fraction form
    39,323.68/54,318.60 = 29,135.40/x
  3. Step 3: Cross multiply
    39,323.68x = 54,318.60 × 29,135.40
  4. Step 4: Simplify right side
    39,323.68x = 1,582,594,138.44
  5. Step 5: Solve for x
    x = 1,582,594,138.44/39,323.68
  6. Step 6: Final answer
    x = 40,245.32

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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.