Home / 37,878.98-52,261.40-21,960.25

Finding the Fourth Proportional to 37,878.98, 52,261.40 and 21,960.25

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Solution

The fourth proportional to 37,878.98, 52,261.40 and 21,960.25 is: 30,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.98 : 52,261.40 = 21,960.25 : x
  2. Step 2: Convert to fraction form
    37,878.98/52,261.40 = 21,960.25/x
  3. Step 3: Cross multiply
    37,878.98x = 52,261.40 × 21,960.25
  4. Step 4: Simplify right side
    37,878.98x = 1,147,673,323.30
  5. Step 5: Solve for x
    x = 1,147,673,323.30/37,878.98
  6. Step 6: Final answer
    x = 30,298.43

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1.5x scale

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.