Home / 50,115.36-69,001.80-42,546

Finding the Fourth Proportional to 50,115.36, 69,001.80 and 42,546

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Solution

The fourth proportional to 50,115.36, 69,001.80 and 42,546 is: 58,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.36 : 69,001.80 = 42,546 : x
  2. Step 2: Convert to fraction form
    50,115.36/69,001.80 = 42,546/x
  3. Step 3: Cross multiply
    50,115.36x = 69,001.80 × 42,546
  4. Step 4: Simplify right side
    50,115.36x = 2,935,750,582.80
  5. Step 5: Solve for x
    x = 2,935,750,582.80/50,115.36
  6. Step 6: Final answer
    x = 58,579.86

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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.