Home / 43,068.54-64,634.38-28,272.26

Finding the Fourth Proportional to 43,068.54, 64,634.38 and 28,272.26

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Solution

The fourth proportional to 43,068.54, 64,634.38 and 28,272.26 is: 42,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068.54 : 64,634.38 = 28,272.26 : x
  2. Step 2: Convert to fraction form
    43,068.54/64,634.38 = 28,272.26/x
  3. Step 3: Cross multiply
    43,068.54x = 64,634.38 × 28,272.26
  4. Step 4: Simplify right side
    43,068.54x = 1,827,359,996.30
  5. Step 5: Solve for x
    x = 1,827,359,996.30/43,068.54
  6. Step 6: Final answer
    x = 42,429.11

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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.