Home / 34,371.04-47,429.78-20,221.16

Finding the Fourth Proportional to 34,371.04, 47,429.78 and 20,221.16

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Solution

The fourth proportional to 34,371.04, 47,429.78 and 20,221.16 is: 27,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,371.04 : 47,429.78 = 20,221.16 : x
  2. Step 2: Convert to fraction form
    34,371.04/47,429.78 = 20,221.16/x
  3. Step 3: Cross multiply
    34,371.04x = 47,429.78 × 20,221.16
  4. Step 4: Simplify right side
    34,371.04x = 959,085,170.14
  5. Step 5: Solve for x
    x = 959,085,170.14/34,371.04
  6. Step 6: Final answer
    x = 27,903.87

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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.