Home / 35,477.08-53,080.26-21,385.24

Finding the Fourth Proportional to 35,477.08, 53,080.26 and 21,385.24

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Solution

The fourth proportional to 35,477.08, 53,080.26 and 21,385.24 is: 31,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.08 : 53,080.26 = 21,385.24 : x
  2. Step 2: Convert to fraction form
    35,477.08/53,080.26 = 21,385.24/x
  3. Step 3: Cross multiply
    35,477.08x = 53,080.26 × 21,385.24
  4. Step 4: Simplify right side
    35,477.08x = 1,135,134,099.36
  5. Step 5: Solve for x
    x = 1,135,134,099.36/35,477.08
  6. Step 6: Final answer
    x = 31,996.27

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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.