Home / 42,067.37-63,147.23-21,001.50

Finding the Fourth Proportional to 42,067.37, 63,147.23 and 21,001.50

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Solution

The fourth proportional to 42,067.37, 63,147.23 and 21,001.50 is: 31,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,067.37 : 63,147.23 = 21,001.50 : x
  2. Step 2: Convert to fraction form
    42,067.37/63,147.23 = 21,001.50/x
  3. Step 3: Cross multiply
    42,067.37x = 63,147.23 × 21,001.50
  4. Step 4: Simplify right side
    42,067.37x = 1,326,186,445.84
  5. Step 5: Solve for x
    x = 1,326,186,445.84/42,067.37
  6. Step 6: Final answer
    x = 31,525.30

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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.