Home / 54,003.40-81,005.10-34,223.20

Finding the Fourth Proportional to 54,003.40, 81,005.10 and 34,223.20

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Solution

The fourth proportional to 54,003.40, 81,005.10 and 34,223.20 is: 51,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,003.40 : 81,005.10 = 34,223.20 : x
  2. Step 2: Convert to fraction form
    54,003.40/81,005.10 = 34,223.20/x
  3. Step 3: Cross multiply
    54,003.40x = 81,005.10 × 34,223.20
  4. Step 4: Simplify right side
    54,003.40x = 2,772,253,738.32
  5. Step 5: Solve for x
    x = 2,772,253,738.32/54,003.40
  6. Step 6: Final answer
    x = 51,334.80

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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.