Home / 45,325.31-67,987.98-17,238.88

Finding the Fourth Proportional to 45,325.31, 67,987.98 and 17,238.88

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Solution

The fourth proportional to 45,325.31, 67,987.98 and 17,238.88 is: 25,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,325.31 : 67,987.98 = 17,238.88 : x
  2. Step 2: Convert to fraction form
    45,325.31/67,987.98 = 17,238.88/x
  3. Step 3: Cross multiply
    45,325.31x = 67,987.98 × 17,238.88
  4. Step 4: Simplify right side
    45,325.31x = 1,172,036,458.69
  5. Step 5: Solve for x
    x = 1,172,036,458.69/45,325.31
  6. Step 6: Final answer
    x = 25,858.32

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1.5x scale

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.