Home / 34,439.33-47,520.64-20,290.25

Finding the Fourth Proportional to 34,439.33, 47,520.64 and 20,290.25

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Solution

The fourth proportional to 34,439.33, 47,520.64 and 20,290.25 is: 27,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,439.33 : 47,520.64 = 20,290.25 : x
  2. Step 2: Convert to fraction form
    34,439.33/47,520.64 = 20,290.25/x
  3. Step 3: Cross multiply
    34,439.33x = 47,520.64 × 20,290.25
  4. Step 4: Simplify right side
    34,439.33x = 964,205,809.92
  5. Step 5: Solve for x
    x = 964,205,809.92/34,439.33
  6. Step 6: Final answer
    x = 27,997.23

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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.