Home / 34,362.72-47,419.68-20,225.28

Finding the Fourth Proportional to 34,362.72, 47,419.68 and 20,225.28

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Solution

The fourth proportional to 34,362.72, 47,419.68 and 20,225.28 is: 27,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,362.72 : 47,419.68 = 20,225.28 : x
  2. Step 2: Convert to fraction form
    34,362.72/47,419.68 = 20,225.28/x
  3. Step 3: Cross multiply
    34,362.72x = 47,419.68 × 20,225.28
  4. Step 4: Simplify right side
    34,362.72x = 959,076,305.51
  5. Step 5: Solve for x
    x = 959,076,305.51/34,362.72
  6. Step 6: Final answer
    x = 27,910.37

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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.