Home / 35,623.76-53,477.04-20,843.28

Finding the Fourth Proportional to 35,623.76, 53,477.04 and 20,843.28

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Solution

The fourth proportional to 35,623.76, 53,477.04 and 20,843.28 is: 31,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.76 : 53,477.04 = 20,843.28 : x
  2. Step 2: Convert to fraction form
    35,623.76/53,477.04 = 20,843.28/x
  3. Step 3: Cross multiply
    35,623.76x = 53,477.04 × 20,843.28
  4. Step 4: Simplify right side
    35,623.76x = 1,114,636,996.45
  5. Step 5: Solve for x
    x = 1,114,636,996.45/35,623.76
  6. Step 6: Final answer
    x = 31,289.15

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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.