Home / 39,007.40-58,511.10-31,231.40

Finding the Fourth Proportional to 39,007.40, 58,511.10 and 31,231.40

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Solution

The fourth proportional to 39,007.40, 58,511.10 and 31,231.40 is: 46,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.40 : 58,511.10 = 31,231.40 : x
  2. Step 2: Convert to fraction form
    39,007.40/58,511.10 = 31,231.40/x
  3. Step 3: Cross multiply
    39,007.40x = 58,511.10 × 31,231.40
  4. Step 4: Simplify right side
    39,007.40x = 1,827,383,568.54
  5. Step 5: Solve for x
    x = 1,827,383,568.54/39,007.40
  6. Step 6: Final answer
    x = 46,847.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.