Home / 45,531.86-68,305.08-19,236.84

Finding the Fourth Proportional to 45,531.86, 68,305.08 and 19,236.84

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Solution

The fourth proportional to 45,531.86, 68,305.08 and 19,236.84 is: 28,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,531.86 : 68,305.08 = 19,236.84 : x
  2. Step 2: Convert to fraction form
    45,531.86/68,305.08 = 19,236.84/x
  3. Step 3: Cross multiply
    45,531.86x = 68,305.08 × 19,236.84
  4. Step 4: Simplify right side
    45,531.86x = 1,313,973,895.15
  5. Step 5: Solve for x
    x = 1,313,973,895.15/45,531.86
  6. Step 6: Final answer
    x = 28,858.34

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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.