Home / 42,967.75-64,449.03-25,548.43

Finding the Fourth Proportional to 42,967.75, 64,449.03 and 25,548.43

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Solution

The fourth proportional to 42,967.75, 64,449.03 and 25,548.43 is: 38,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,967.75 : 64,449.03 = 25,548.43 : x
  2. Step 2: Convert to fraction form
    42,967.75/64,449.03 = 25,548.43/x
  3. Step 3: Cross multiply
    42,967.75x = 64,449.03 × 25,548.43
  4. Step 4: Simplify right side
    42,967.75x = 1,646,571,531.52
  5. Step 5: Solve for x
    x = 1,646,571,531.52/42,967.75
  6. Step 6: Final answer
    x = 38,321.10

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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.