Home / 30,970,171.65-42,739,933.60-17,032,605.54

Finding the Fourth Proportional to 30,970,171.65, 42,739,933.60 and 17,032,605.54

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Solution

The fourth proportional to 30,970,171.65, 42,739,933.60 and 17,032,605.54 is: 23,505,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970,171.65 : 42,739,933.60 = 17,032,605.54 : x
  2. Step 2: Convert to fraction form
    30,970,171.65/42,739,933.60 = 17,032,605.54/x
  3. Step 3: Cross multiply
    30,970,171.65x = 42,739,933.60 × 17,032,605.54
  4. Step 4: Simplify right side
    30,970,171.65x = 727,972,429,814,592.12
  5. Step 5: Solve for x
    x = 727,972,429,814,592.12/30,970,171.65
  6. Step 6: Final answer
    x = 23,505,598.81

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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.