Home / 45,538.58-68,350.54-28,042.58

Finding the Fourth Proportional to 45,538.58, 68,350.54 and 28,042.58

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Solution

The fourth proportional to 45,538.58, 68,350.54 and 28,042.58 is: 42,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.58 : 68,350.54 = 28,042.58 : x
  2. Step 2: Convert to fraction form
    45,538.58/68,350.54 = 28,042.58/x
  3. Step 3: Cross multiply
    45,538.58x = 68,350.54 × 28,042.58
  4. Step 4: Simplify right side
    45,538.58x = 1,916,725,485.99
  5. Step 5: Solve for x
    x = 1,916,725,485.99/45,538.58
  6. Step 6: Final answer
    x = 42,090.15

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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.