Home / 53,184.40-73,388.64-30,517.36

Finding the Fourth Proportional to 53,184.40, 73,388.64 and 30,517.36

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Solution

The fourth proportional to 53,184.40, 73,388.64 and 30,517.36 is: 42,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,184.40 : 73,388.64 = 30,517.36 : x
  2. Step 2: Convert to fraction form
    53,184.40/73,388.64 = 30,517.36/x
  3. Step 3: Cross multiply
    53,184.40x = 73,388.64 × 30,517.36
  4. Step 4: Simplify right side
    53,184.40x = 2,239,627,546.79
  5. Step 5: Solve for x
    x = 2,239,627,546.79/53,184.40
  6. Step 6: Final answer
    x = 42,110.61

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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.