Home / 54,261.40-81,392.10-40,264.60

Finding the Fourth Proportional to 54,261.40, 81,392.10 and 40,264.60

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Solution

The fourth proportional to 54,261.40, 81,392.10 and 40,264.60 is: 60,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,261.40 : 81,392.10 = 40,264.60 : x
  2. Step 2: Convert to fraction form
    54,261.40/81,392.10 = 40,264.60/x
  3. Step 3: Cross multiply
    54,261.40x = 81,392.10 × 40,264.60
  4. Step 4: Simplify right side
    54,261.40x = 3,277,220,349.66
  5. Step 5: Solve for x
    x = 3,277,220,349.66/54,261.40
  6. Step 6: Final answer
    x = 60,396.90

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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.