Home / 34,412.24-47,496.12-20,270

Finding the Fourth Proportional to 34,412.24, 47,496.12 and 20,270

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Solution

The fourth proportional to 34,412.24, 47,496.12 and 20,270 is: 27,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,412.24 : 47,496.12 = 20,270 : x
  2. Step 2: Convert to fraction form
    34,412.24/47,496.12 = 20,270/x
  3. Step 3: Cross multiply
    34,412.24x = 47,496.12 × 20,270
  4. Step 4: Simplify right side
    34,412.24x = 962,746,352.40
  5. Step 5: Solve for x
    x = 962,746,352.40/34,412.24
  6. Step 6: Final answer
    x = 27,976.86

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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.